Bump actions/checkout from 6 to 7 (#332)

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/build.yml

@@ -36,7 +36,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Cached Go dependencies
         uses: actions/cache@v6
         with:
@@ -64,7 +64,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - uses: actions/cache@v6
         with:
           path: ~/go/pkg/mod
@@ -85,7 +85,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - uses: actions/cache@v6
         with:
           path: ~/go/pkg/mod

.github/workflows/publish-chart.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Install Helm
@@ -48,7 +48,7 @@ jobs:
       - test-helm-chart
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - id: package
         name: Package charts
         run: |

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - uses: actions/cache@v6
         with:
           path: ~/go/pkg/mod
@@ -48,7 +48,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Set output

.github/workflows/test-chart.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Install Helm