Bump mini_magick from 5.2.0 to 5.3.0 in /builder (#2730)

Bumps [mini_magick](https://github.com/minimagick/minimagick) from 5.2.0 to 5.3.0.
- [Release notes](https://github.com/minimagick/minimagick/releases)
- [Commits](minimagick/minimagick@v5.2.0...v5.3.0)

---
updated-dependencies:
- dependency-name: mini_magick
  dependency-version: 5.3.0
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

builder/Gemfile.lock

@@ -145,8 +145,7 @@ GEM
       logger
       mime-types-data (~> 3.2025, >= 3.2025.0507)
     mime-types-data (3.2025.0708)
-    mini_magick (5.2.0)
-      benchmark
+    mini_magick (5.3.0)
       logger
     mini_mime (1.1.5)
     minitest (5.25.5)