Bump mini_magick from 4.13.1 to 4.13.2

Bumps [mini_magick](https://github.com/minimagick/minimagick) from 4.13.1 to 4.13.2.
- [Release notes](https://github.com/minimagick/minimagick/releases)
- [Commits](minimagick/minimagick@v4.13.1...v4.13.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -269,7 +269,7 @@ GEM
     mimemagic (0.4.3)
       nokogiri (~> 1)
       rake
-    mini_magick (4.13.1)
+    mini_magick (4.13.2)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
     minitest (5.24.1)