Bump rack from 2.2.3 to 2.2.4 in /docs (heroku#171)

dependabot[bot] · web-flow · commit 6066d6fc0ad8 · 2022-07-27T07:06:10.000+01:00
Bumps [rack](https://github.com/rack/rack) from 2.2.3 to 2.2.4. - [Release notes](https://github.com/rack/rack/releases) - [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md) - [Commits](rack/rack@2.2.3...2.2.4) --- updated-dependencies: - dependency-name: rack dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
     parslet (1.8.2)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     regexp_parser (1.7.1)
