chore(deps): update actions/checkout action to v6

Author: renovate-bot-pw

.github/workflows/renovate.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Get GitHub App token
         id: get_token

.github/workflows/tf-deploy.yml

@@ -34,7 +34,7 @@ jobs:
       TF_VAR_custom_domain: ${{ secrets.CUSTOM_DOMAIN }}
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           sparse-checkout: src
 

.github/workflows/tf-docs.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           sparse-checkout: src
           ref: ${{ github.event.pull_request.head.ref }}

.github/workflows/tf-validation.yml

@@ -35,7 +35,7 @@ jobs:
       TF_VAR_custom_domain: ${{ secrets.CUSTOM_DOMAIN }}
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           sparse-checkout: src