chore(deps): update actions/cache digest to 704facf (#596)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

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@f7ebb81a3f195b4fb88dab7c14e2f7aff52045aa
+      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

Diff for: .github/workflows/pullrequest.yml

@@ -25,7 +25,7 @@ jobs:
           languages: java
 
       - name: Cache local Maven repository
-        uses: actions/cache@f7ebb81a3f195b4fb88dab7c14e2f7aff52045aa
+        uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}