Update all third-party GitHub Actions

Author: renovate[bot]

.github/workflows/build.yml

@@ -25,7 +25,7 @@ jobs:
       build-number: ${{ steps.build-step.outputs.BUILD_NUMBER }}
       deployed: ${{ steps.build-step.outputs.deployed }}
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: jdx/mise-action@5ac50f778e26fac95da98d50503682459e86d566 # v3.2.0
         with:
           version: 2025.7.12
@@ -55,7 +55,7 @@ jobs:
       BUILD_NUMBER: ${{ needs.build.outputs.build-number }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: jdx/mise-action@5ac50f778e26fac95da98d50503682459e86d566 # v3.2.0
         with:
           version: 2025.7.12

.github/workflows/mark-prs-stale.yml

@@ -11,7 +11,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@997185467fa4f803885201cee163a9f38240193d # v10
         with:
           stale-pr-message: 'This PR is stale because it has been open 7 days with no activity. If there is no activity in the next 7 days it will be closed automatically'
           stale-pr-label: 'stale'

.github/workflows/unified-dogfooding.yml

@@ -12,7 +12,7 @@ jobs:
       id-token: write
       contents: read
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: SonarSource/ci-github-actions/build-gradle@v1
         with:
           run-shadow-scans: true