update github actions to ruby 3.3.8

Author: andreadavanzo

.github/workflows/mysql.yml

@@ -19,7 +19,7 @@ jobs:
     # Install Ruby and run bundler
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7.6
+        ruby-version: 3.3.8
         bundler-cache: true
 
     # Install Node

.github/workflows/postgres.yml

@@ -35,7 +35,7 @@ jobs:
     # Install Ruby and run bundler
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7.6
+        ruby-version: 3.3.8
         bundler-cache: true
 
     # Install Node

.github/workflows/rubocop.yml

@@ -13,7 +13,7 @@ jobs:
     # Install Ruby and run bundler
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7.6
+        ruby-version: 3.3.8
         bundler-cache: true
 
     # Run the Rubocop linter checks