Use Ruby 3.2 for RuboCop workflow

Also bumped rubocop, rubocop-minitest, rubocop-performance and rubocop-rails
because RuboCop workflow uses Gemfile.lock unlike Rails CI that removes it.

.github/workflows/rubocop.yml

@@ -14,10 +14,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Set up Ruby 3.1
+    - name: Set up Ruby 3.2
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.1
+        ruby-version: 3.2
         bundler-cache: true
 
     - name: Run RuboCop

Gemfile.lock

@@ -389,7 +389,7 @@ GEM
     retriable (3.1.2)
     rexml (3.2.5)
     rouge (3.27.0)
-    rubocop (1.39.0)
+    rubocop (1.41.1)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
@@ -401,17 +401,17 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.23.0)
       parser (>= 3.1.1.0)
-    rubocop-minitest (0.22.0)
+    rubocop-minitest (0.25.1)
       rubocop (>= 0.90, < 2.0)
     rubocop-packaging (0.5.1)
       rubocop (>= 0.89, < 2.0)
-    rubocop-performance (1.13.1)
+    rubocop-performance (1.15.2)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.13.0)
+    rubocop-rails (2.17.4)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
-      rubocop (>= 1.7.0, < 2.0)
+      rubocop (>= 1.33.0, < 2.0)
     ruby-progressbar (1.11.0)
     ruby-vips (2.1.4)
       ffi (~> 1.12)