[ImgBot] Optimize images (decidim#5638)

* [ImgBot] Optimize images

*Total -- 4,162.49kb -> 3,678.72kb (11.62%)

/decidim_app-design/app/views/public/docs/timeline-steps.svg -- 151.87kb -> 5.11kb (96.64%)
/decidim_app-design/app/views/public/docs/logo-decidim.svg -- 164.12kb -> 15.70kb (90.44%)
/decidim_app-design/app/views/public/docs/icons.svg -- 179.63kb -> 24.29kb (86.48%)
/logo.svg -- 7.29kb -> 4.99kb (31.61%)
/decidim-core/app/assets/images/decidim/default-avatar.svg -- 1.02kb -> 0.75kb (26.22%)
/decidim-forms/app/assets/images/decidim/surveys/icon.svg -- 0.96kb -> 0.78kb (18.92%)
/decidim-consultations/app/assets/images/decidim/consultations/icon2.svg -- 8.50kb -> 7.11kb (16.36%)
/decidim_app-design/app/assets/images/barcelona/pattern.svg -- 1.16kb -> 0.99kb (14.2%)
/decidim_app-design/app/assets/images/badges/diffusion.svg -- 11.02kb -> 9.58kb (13%)
/decidim_app-design/app/assets/images/badges/meetings.svg -- 8.11kb -> 7.08kb (12.69%)
/decidim-meetings/app/assets/images/decidim/gamification/badges/attended_meetings.svg -- 8.11kb -> 7.08kb (12.69%)
/decidim_app-design/app/assets/images/badges/followers.svg -- 9.50kb -> 8.36kb (12.06%)
/decidim-core/app/assets/images/decidim/gamification/badges/followers.svg -- 9.50kb -> 8.36kb (12.06%)
/decidim_app-design/app/assets/images/badges/debates.svg -- 8.39kb -> 7.38kb (12.03%)
/decidim-dev/app/assets/images/decidim/gamification/badges/test.svg -- 11.59kb -> 10.21kb (11.93%)
/decidim_app-design/app/assets/images/badges/supports.svg -- 7.70kb -> 6.81kb (11.56%)
/decidim-proposals/app/assets/images/decidim/gamification/badges/proposal_votes.svg -- 7.70kb -> 6.81kb (11.56%)
/decidim_app-design/app/assets/images/badges/initiatives.svg -- 10.39kb -> 9.19kb (11.52%)
/decidim_app-design/app/assets/images/badges/tutorial.svg -- 8.55kb -> 7.58kb (11.36%)
/decidim-core/app/assets/images/decidim/decidim-logo.svg -- 15.01kb -> 13.44kb (10.46%)
/decidim_app-design/app/assets/images/badges/accepted.svg -- 13.07kb -> 11.72kb (10.36%)
/decidim-proposals/app/assets/images/decidim/gamification/badges/accepted_proposals.svg -- 13.07kb -> 11.72kb (10.36%)
/decidim_app-design/app/assets/images/badges/proposals.svg -- 12.58kb -> 11.29kb (10.27%)
/decidim-proposals/app/assets/images/decidim/gamification/badges/proposals.svg -- 12.58kb -> 11.29kb (10.27%)
/decidim_app-design/app/assets/images/badges/invitations.svg -- 12.19kb -> 11.10kb (8.97%)
/decidim-core/app/assets/images/decidim/gamification/badges/invitations.svg -- 12.19kb -> 11.10kb (8.97%)
/decidim-budgets/app/assets/images/decidim/budgets/icon.svg -- 0.60kb -> 0.55kb (8.41%)
/decidim-debates/app/assets/images/decidim/gamification/badges/commented_debates.svg -- 7.98kb -> 7.38kb (7.6%)
/decidim-initiatives/app/assets/images/decidim/gamification/badges/initiatives.svg -- 9.94kb -> 9.19kb (7.56%)
/decidim-dev/app/assets/images/decidim/dummy.svg -- 0.26kb -> 0.24kb (6.46%)
/decidim_app-design/app/assets/images/badge-ajuntament-header.svg -- 6.17kb -> 5.80kb (5.99%)
/decidim_app-design/app/assets/images/decidim-logo.svg -- 6.02kb -> 5.80kb (3.62%)
/decidim_app-design/app/assets/images/logo.svg -- 0.20kb -> 0.19kb (3.41%)
/decidim-pages/app/assets/images/decidim/pages/icon.svg -- 0.82kb -> 0.80kb (2.38%)
/decidim-core/app/assets/fonts/decidim/Source_Sans_Pro_600.svg -- 57.05kb -> 56.03kb (1.79%)
/decidim-core/app/assets/fonts/decidim/Source_Sans_Pro_900.svg -- 57.09kb -> 56.07kb (1.78%)
/decidim-core/app/assets/fonts/decidim/Source_Sans_Pro_400.svg -- 58.16kb -> 57.15kb (1.75%)
/decidim_app-design/app/assets/images/icons.svg -- 81.72kb -> 80.45kb (1.56%)
/decidim-core/app/assets/images/decidim/icons.svg -- 82.50kb -> 81.22kb (1.55%)
/decidim-meetings/app/assets/images/decidim/meetings/icon.svg -- 0.73kb -> 0.72kb (1.46%)
/decidim-proposals/app/assets/images/decidim/proposals/icon.svg -- 0.35kb -> 0.34kb (1.4%)
/decidim-blogs/app/assets/images/decidim/blogs/icon.svg -- 0.39kb -> 0.39kb (1.25%)
/decidim-conferences/app/assets/images/decidim/conferences/conference.svg -- 0.41kb -> 0.41kb (1.18%)
/decidim-consultations/app/assets/images/decidim/consultations/icon.svg -- 0.69kb -> 0.68kb (0.71%)
/decidim-initiatives/app/assets/images/decidim/initiatives/icon.svg -- 0.72kb -> 0.72kb (0.68%)
/decidim-sortitions/app/assets/images/decidim/sortitions/icon.svg -- 0.81kb -> 0.81kb (0.48%)
/decidim-assemblies/app/assets/images/decidim/assemblies/assembly.svg -- 1.25kb -> 1.24kb (0.39%)
/decidim_app-design/app/assets/images/barcelona/heading-icon.svg -- 0.65kb -> 0.65kb (0.15%)
/decidim_app-design/app/assets/images/barcelona/pattern-big.svg -- 1.44kb -> 1.44kb (0.07%)
/decidim_app-design/app/assets/images/demo-consultations-banner.jpg -- 16.35kb -> 16.35kb (0.02%)
/decidim-participatory_processes/db/seeds/city.jpeg -- 104.54kb -> 104.54kb (0%)
/decidim-assemblies/db/seeds/city.jpeg -- 104.54kb -> 104.54kb (0%)
/decidim-conferences/db/seeds/city.jpeg -- 104.54kb -> 104.54kb (0%)
/decidim-budgets/lib/decidim/budgets/seeds/city.jpeg -- 104.54kb -> 104.54kb (0%)
/decidim-meetings/lib/decidim/meetings/seeds/city.jpeg -- 104.54kb -> 104.54kb (0%)
/decidim-consultations/db/seeds/city.jpeg -- 104.54kb -> 104.54kb (0%)
/decidim-dev/lib/decidim/dev/assets/city.jpeg -- 104.54kb -> 104.54kb (0%)
/decidim-consultations/db/seeds/city2.jpeg -- 127.43kb -> 127.42kb (0%)
/decidim-participatory_processes/db/seeds/city2.jpeg -- 127.43kb -> 127.42kb (0%)
/decidim-assemblies/db/seeds/city2.jpeg -- 127.43kb -> 127.42kb (0%)
/decidim-conferences/db/seeds/city2.jpeg -- 127.43kb -> 127.42kb (0%)
/decidim-initiatives/db/seeds/city2.jpeg -- 127.43kb -> 127.42kb (0%)
/decidim-dev/lib/decidim/dev/assets/city2.jpeg -- 127.43kb -> 127.42kb (0%)
/decidim_app-design/app/assets/images/meeting2.jpg -- 162.35kb -> 162.35kb (0%)
/decidim_app-design/app/assets/images/meeting3.jpg -- 184.36kb -> 184.36kb (0%)
/decidim-dev/lib/decidim/dev/assets/city3.jpeg -- 209.38kb -> 209.38kb (0%)
/decidim_app-design/app/assets/images/demo-debate.jpg -- 253.30kb -> 253.30kb (0%)
/decidim_app-design/app/assets/images/process-demo.jpg -- 332.25kb -> 332.25kb (0%)
/decidim_app-design/app/assets/images/demo-consultations.jpg -- 426.39kb -> 426.39kb (0%)

Signed-off-by: ImgBotApp <[email protected]>

* Remove white spaces in component icon spec

Co-authored-by: ImgBotApp <[email protected]>
Co-authored-by: Oliver Valls <[email protected]>