Merge pull request #371 from cucumber/renovate/actions-cache-4.x

chore(deps): update actions/cache action to v4

Author: mpkorstanje

.github/workflows/build.yml

@@ -28,7 +28,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Cache sbt
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.sbt

.github/workflows/version-policy-check.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Cache sbt
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.sbt