Bump mini_magick from 4.12.0 to 4.13.2

Bumps [mini_magick](https://github.com/minimagick/minimagick) from 4.12.0 to 4.13.2.
- [Release notes](https://github.com/minimagick/minimagick/releases)
- [Commits](https://github.com/minimagick/minimagick/compare/v4.12.0...v4.13.2)

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

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

Gemfile.lock

@@ -342,7 +342,7 @@ GEM
     mime-types (3.4.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
-    mini_magick (4.12.0)
+    mini_magick (4.13.2)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
     minitest (5.24.1)
@@ -743,7 +743,7 @@ DEPENDENCIES
   launchy (~> 2.5.2)
   letter_opener_web (~> 3.0.0)
   mdl (~> 0.13.0)
-  mini_magick (~> 4.12.0)
+  mini_magick (~> 4.13.2)
   omniauth (~> 2.1.2)
   omniauth-facebook (~> 9.0.0)
   omniauth-google-oauth2 (~> 1.1.1)