Bump mini_portile2 from 2.8.6 to 2.8.9

Bumps [mini_portile2](https://github.com/flavorjones/mini_portile) from 2.8.6 to 2.8.9.
- [Release notes](https://github.com/flavorjones/mini_portile/releases)
- [Changelog](https://github.com/flavorjones/mini_portile/blob/main/CHANGELOG.md)
- [Commits](https://github.com/flavorjones/mini_portile/compare/v2.8.6...v2.8.9)

---
updated-dependencies:
- dependency-name: mini_portile2
  dependency-version: 2.8.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -507,7 +507,7 @@ GEM
     mini_magick (5.3.1)
       logger
     mini_mime (1.1.5)
-    mini_portile2 (2.8.6)
+    mini_portile2 (2.8.9)
     minitest (6.0.2)
       drb (~> 2.0)
       prism (~> 1.5)