Build(deps): Bump mini_mime from 1.1.1 to 1.1.2 (#14574)

Bumps [mini_mime](https://github.com/discourse/mini_mime) from 1.1.1 to 1.1.2.
- [Release notes](https://github.com/discourse/mini_mime/releases)
- [Changelog](https://github.com/discourse/mini_mime/blob/master/CHANGELOG)
- [Commits](https://github.com/discourse/mini_mime/compare/v1.1.1...v1.1.2)

---
updated-dependencies:
- dependency-name: mini_mime
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -225,7 +225,7 @@ GEM
     message_bus (3.3.6)
       rack (>= 1.1.3)
     method_source (1.0.0)
-    mini_mime (1.1.1)
+    mini_mime (1.1.2)
     mini_portile2 (2.6.1)
     mini_racer (0.4.0)
       libv8-node (~> 15.14.0.0)