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

@@ -9,7 +9,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (8.1.2)
+    activesupport (8.1.2.1)
       base64
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
@@ -189,7 +189,7 @@ GEM
       gemoji (>= 3, < 5)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    json (2.18.0)
+    json (2.19.2)
     json-minify (0.0.3)
       json (> 0)
     kramdown (2.5.2)
@@ -209,7 +209,8 @@ GEM
     matrix (0.4.3)
     mercenary (0.4.0)
     mini_mime (1.1.5)
-    minitest (6.0.1)
+    minitest (6.0.2)
+      drb (~> 2.0)
       prism (~> 1.5)
     multi_xml (0.8.1)
       bigdecimal (>= 3.1, < 5)
@@ -239,7 +240,7 @@ GEM
     ostruct (0.6.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    prism (1.8.0)
+    prism (1.9.0)
     public_suffix (7.0.2)
     racc (1.8.1)
     rake (13.3.1)