Bump minimal-mistakes-jekyll from 4.25.1 to 4.26.1 (#171)

Bumps [minimal-mistakes-jekyll](https://github.com/mmistakes/minimal-mistakes) from 4.25.1 to 4.26.1.
- [Release notes](https://github.com/mmistakes/minimal-mistakes/releases)
- [Changelog](https://github.com/mmistakes/minimal-mistakes/blob/master/CHANGELOG.md)
- [Commits](mmistakes/minimal-mistakes@4.25.1...4.26.1)

---
updated-dependencies:
- dependency-name: minimal-mistakes-jekyll
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -97,7 +97,7 @@ GEM
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.8.0)
-    i18n (1.14.4)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.9.5)
       addressable (~> 2.4)
@@ -223,7 +223,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minimal-mistakes-jekyll (4.25.1)
+    minimal-mistakes-jekyll (4.26.1)
       jekyll (>= 3.7, < 5.0)
       jekyll-feed (~> 0.1)
       jekyll-gist (~> 1.5)