3.1.13

Changes

• Update django to 3.1.13 (#3247) @pyup-bot
• Improve github bug report template (#3243) @luzfcb
• Revert "Fix Celery ports error on local Docker" (#3242) @luzfcb
• Add support for PG 13, drop support for PG 9 and update all minor PG versions to latest (#3154) @Andrew-Chen-Wang
• Update black GitHub link in requirements (#3222) @Andrew-Chen-Wang
• Updated .pre-commit-config.yaml to self-update its dependencies (#3208) @arnav13081994

Minor Changes

• Update .gitignore file for VSCode (#3238) @LECbg

Bugfixes

• Fix Celery ports error on local Docker (#3241) @professorhaseeb
• Wrap jQuery call in DOMContentLoaded event listener on account email page (#3239) @wwwtony5488

Documentation updates

• Fix generated documentation on how to get started with docs (#3230) @Andrew-Chen-Wang
• Fix link format from markdown to RST in developing-locally.rst (#3214) @grantm
• Use shorthand for the officially supported Heroku buildpack (#3211) @raybesiga