Update actions/setup-java digest to 7a6d8a8 (#663)

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

Author: renovate[bot]

Diff for: .github/workflows/check.yml

@@ -13,7 +13,7 @@ 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: |

Diff for: .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: 8