chore(deps): update actions/checkout action to v6.0.2 (#1749)

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

Author: renovate[bot]

.github/workflows/backport.yaml

@@ -17,7 +17,7 @@ jobs:
           permission-contents: write
           permission-pull-requests: write
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           token: ${{ steps.github-app-token.outputs.token }}

.github/workflows/deploy-github-pages.yaml

@@ -43,15 +43,15 @@ jobs:
           extended: true
 
       - name: Checkout greenhouse repository
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           repository: ${{ github.repository }}
           path: greenhouse
           submodules: true
           fetch-depth: 0
 
       - name: Checkout greenhouse-extensions repository
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           repository: ${{ github.repository_owner}}/greenhouse-extensions
           ref: ${{ github.event.client_payload.sha }}