Update action.yml (#99)

Author: Apakottur

action.yml

@@ -51,7 +51,7 @@ runs:
         ruby-version: 3.2 # Not needed with a .ruby-version file
 
     - name: Cache Ruby Gems
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ${{ github.action_path }}
         key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}