build(deps): bump actions/checkout from 6 to 7 (#1027)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -13,7 +13,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v6
         with:
           go-version-file: "go.mod"
@@ -89,7 +89,7 @@ jobs:
           git config --global core.autocrlf false
           git config --global core.eol lf
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Helm
         uses: azure/setup-helm@v5
@@ -126,7 +126,7 @@ jobs:
         with:
           cluster_name: kind
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Helm
         uses: azure/setup-helm@v5

.github/workflows/lint-sh.yaml

@@ -15,7 +15,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: luizm/action-sh-checker@v0.10.0
         with:
           sh_checker_exclude: 'scripts'

.github/workflows/lint.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v6
         with:
           go-version-file: 'go.mod'

.github/workflows/release.yaml

@@ -37,7 +37,7 @@ jobs:
         run: echo "flags=--snapshot --skip=sign" >> $GITHUB_ENV
       -
         name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
       -
@@ -135,7 +135,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       -
         name: Test provenance signing with disposable key
         run: |