Bump actions/checkout from 6 to 7

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>

Author: dependabot[bot]

.github/workflows/golang.yml

@@ -28,7 +28,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       name: Checkout code
     - name: Get Golang version
       id: vars
@@ -52,7 +52,7 @@ jobs:
       runs-on: ubuntu-latest
       steps:
         - name: Checkout code
-          uses: actions/checkout@v6
+          uses: actions/checkout@v7
         - name: Get Golang version
           id: vars
           run: |
@@ -66,7 +66,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       name: Checkout code
     - name: Get Golang version
       id: vars