chore(deps-dev): bump activesupport from 8.1.2 to 8.1.2.1

Bumps [activesupport](https://github.com/rails/rails) from 8.1.2 to 8.1.2.1.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v8.1.2.1/activesupport/CHANGELOG.md)
- [Commits](rails/rails@v8.1.2...v8.1.2.1)

---
updated-dependencies:
- dependency-name: activesupport
  dependency-version: 8.1.2.1
  dependency-type: indirect
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -6,7 +6,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (8.1.2)
+    activesupport (8.1.2.1)
       base64
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
@@ -21,7 +21,7 @@ GEM
       uri (>= 0.13.1)
     ast (2.4.3)
     base64 (0.3.0)
-    bigdecimal (4.0.1)
+    bigdecimal (4.1.1)
     builder (3.3.0)
     concurrent-ruby (1.3.6)
     connection_pool (3.0.2)
@@ -80,7 +80,7 @@ GEM
     markly (0.16.0)
     memoist3 (1.0.0)
     mini_mime (1.1.5)
-    minitest (6.0.2)
+    minitest (6.0.3)
       drb (~> 2.0)
       prism (~> 1.5)
     multi_test (1.1.0)
@@ -207,7 +207,6 @@ PLATFORMS
   arm64-darwin-24
   arm64-darwin-25
   x64-mingw-ucrt
-  x64-mingw32
   x86_64-darwin-19
   x86_64-darwin-21
   x86_64-darwin-22