Bump autoprefixer-rails from 9.6.1 to 9.6.1.1 (#490)

Bumps [autoprefixer-rails](https://github.com/ai/autoprefixer-rails) from 9.6.1 to 9.6.1.1.
- [Release notes](https://github.com/ai/autoprefixer-rails/releases)
- [Changelog](https://github.com/ai/autoprefixer-rails/blob/master/CHANGELOG.md)
- [Commits](ai/autoprefixer-rails@9.6.1...9.6.1.1)

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

Gemfile.lock

@@ -46,7 +46,7 @@ GEM
       public_suffix (>= 2.0.2, < 4.0)
     arel (9.0.0)
     ast (2.4.0)
-    autoprefixer-rails (9.6.1)
+    autoprefixer-rails (9.6.1.1)
       execjs
     bcrypt (3.1.13)
     bindex (0.8.1)