chore(deps): update actions/cache digest to 8b402f5 (#1808)

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

Author: renovate[bot]

.github/workflows/merge.yml

@@ -36,7 +36,7 @@ jobs:
         server-password: ${{ secrets.CENTRAL_PASSWORD }}
 
     - name: Cache local Maven repository
-      uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb
+      uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-17-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/pullrequest.yml

@@ -37,7 +37,7 @@ jobs:
           languages: java
 
       - name: Cache local Maven repository
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb
+        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7
         with:
             path: ~/.m2/repository
             key: ${{ runner.os }}${{ matrix.build.java }}-maven-${{ hashFiles('**/pom.xml') }}