[FSSDK-11723] fix: rubocop failing on ruby 3.0.0 (#371)

* update: change Ruby version from 3.0.0 to 3.0.1 in CI workflow

* update: revert Ruby version to 3.0.0 in CI workflow and pin rubocop version

* update: add auto-correction step for rubocop in CI workflow

Author: FarhanAnjum-opti

.github/workflows/ruby.yml

@@ -33,6 +33,13 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
+    - name: Install rubocop 1.78.0 for Ruby 3.0.0
+      if: matrix.ruby == '3.0.0'
+      run: |
+        echo "Installing rubocop 1.78.0 for Ruby 3.0.0"
+        bundle add rubocop --version 1.78.0 || true
+        bundle install
+        bundle exec rubocop -A Gemfile || true
     - name: Run linting
       run: |
         bundle exec rubocop