Update actions/setup-java digest to 7a6d8a8 (#554)

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

Author: renovate[bot]

.github/workflows/check.yml

@@ -19,7 +19,7 @@ jobs:
           git checkout ${GITHUB_REF#refs/heads/} || true
           cd ../hivemq-community-edition
       - name: Setup Java
-        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: 'temurin'
           java-version: '11'

.github/workflows/publish.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: Setup Java
-        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: 'temurin'
           java-version: '11'

.github/workflows/snapshot.yml

@@ -18,7 +18,7 @@ jobs:
           git checkout ${GITHUB_REF##*/} || true
           cd ../hivemq-community-edition
       - name: Setup Java
-        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: 'temurin'
           java-version: '11'