build(deps): bump mini_portile2 from 2.8.2 to 2.8.4

Bumps [mini_portile2](https://github.com/flavorjones/mini_portile) from 2.8.2 to 2.8.4.
- [Release notes](https://github.com/flavorjones/mini_portile/releases)
- [Changelog](https://github.com/flavorjones/mini_portile/blob/main/CHANGELOG.md)
- [Commits](flavorjones/mini_portile@v2.8.2...v2.8.4)

---
updated-dependencies:
- dependency-name: mini_portile2
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -149,7 +149,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.2)
+    mini_portile2 (2.8.4)
     minitest (5.18.1)
     minitest-ci (3.4.0)
       minitest (>= 5.0.6)