chore(deps): update actions/cache digest to 4fe9c4b

Author: renovate[bot]

Diff for: .github/workflows/merge.yml

@@ -32,7 +32,7 @@ jobs:
         server-password: ${{ secrets.OSSRH_PASSWORD }}
 
     - name: Cache local Maven repository
-      uses: actions/cache@2b04a41915d2fed6cec2aa74821ba81689ff0816
+      uses: actions/cache@4fe9c4bd54cc7f1a32249072c2256c718ea68a5b
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

Diff for: .github/workflows/pullrequest.yml

@@ -31,7 +31,7 @@ jobs:
           languages: java
 
       - name: Cache local Maven repository
-        uses: actions/cache@2b04a41915d2fed6cec2aa74821ba81689ff0816
+        uses: actions/cache@4fe9c4bd54cc7f1a32249072c2256c718ea68a5b
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}