Merge pull request #174 from Accelo/paul/update-cache-action

Upgrade the cache action in deploy.yml

Author: katherine-curtis

.github/workflows/deploy.yml

@@ -20,7 +20,7 @@ jobs:
       with:
         ruby-version: ${{ env.ruby-version }}
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4
       with:
         path: vendor/bundle
         key: gems-${{ runner.os }}-${{ matrix.ruby-version }}-${{ hashFiles('**/Gemfile.lock') }}