Bump jemoji from 0.12.0 to 0.13.0

Bumps [jemoji](https://github.com/jekyll/jemoji) from 0.12.0 to 0.13.0.
- [Release notes](https://github.com/jekyll/jemoji/releases)
- [Changelog](https://github.com/jekyll/jemoji/blob/master/History.markdown)
- [Commits](https://github.com/jekyll/jemoji/compare/v0.12.0...v0.13.0)

---
updated-dependencies:
- dependency-name: jemoji
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -72,8 +72,8 @@ GEM
     faraday-retry (1.0.3)
     ffi (1.15.5)
     forwardable-extended (2.6.0)
-    gemoji (3.0.1)
-    html-pipeline (2.14.2)
+    gemoji (4.0.0)
+    html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     html-proofer (3.19.4)
@@ -148,8 +148,8 @@ GEM
       nokogiri (~> 1.11)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jemoji (0.12.0)
-      gemoji (~> 3.0)
+    jemoji (0.13.0)
+      gemoji (>= 3, < 5)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
     json (2.6.2)