Try new cache version in github action

Author: dsandstrom

.github/workflows/rubocop-analysis.yml

@@ -24,7 +24,7 @@ jobs:
       run: bundle add code-scanning-rubocop --version 0.4.0 --skip-install
 
     - name: Setup Bundler cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: vendor/bundle
         key: bundle-use-ruby-${{ matrix.os }}-${{ matrix.ruby }}-${{ hashFiles('**/Gemfile.lock') }}