Update actions/checkout action to v7 (#640)

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

Author: renovate[bot]

.github/workflows/lint-test.yml

@@ -12,7 +12,7 @@ jobs:
       updated: ${{ steps.commit.outputs.updated }}
     steps:
       - name: Checkout PR branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           token: ${{ secrets.CORTEX_HELM_CHART_CI_TOKEN }}
           ref: ${{ github.event.pull_request.head.ref }}
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 

.github/workflows/release.yaml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           token: ${{ secrets.CORTEX_HELM_CHART_CI_TOKEN }}

.github/workflows/renovate-config-validator.yml

@@ -12,6 +12,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Validate
         run: npx --yes --package renovate -- renovate-config-validator