Update actions/cache digest to d4323d4

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

Author: renovate[bot]

.github/workflows/java-ci.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: Cache local Maven repository
-        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}