build(deps): bump tailwindcss-rails from 2.7.8 to 2.7.9

Bumps [tailwindcss-rails](https://github.com/rails/tailwindcss-rails) from 2.7.8 to 2.7.9.
- [Release notes](https://github.com/rails/tailwindcss-rails/releases)
- [Changelog](https://github.com/rails/tailwindcss-rails/blob/v2.7.9/CHANGELOG.md)
- [Commits](rails/tailwindcss-rails@v2.7.8...v2.7.9)

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

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

Gemfile.lock

@@ -320,11 +320,11 @@ GEM
       railties (>= 6.0.0)
     stringio (3.1.1)
     stripe (13.0.0)
-    tailwindcss-rails (2.7.8-aarch64-linux)
+    tailwindcss-rails (2.7.9-aarch64-linux)
       railties (>= 7.0.0)
-    tailwindcss-rails (2.7.8-arm64-darwin)
+    tailwindcss-rails (2.7.9-arm64-darwin)
       railties (>= 7.0.0)
-    tailwindcss-rails (2.7.8-x86_64-linux)
+    tailwindcss-rails (2.7.9-x86_64-linux)
       railties (>= 7.0.0)
     thor (1.3.2)
     timecop (0.9.10)