chore(deps): 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/bump.yml

@@ -10,7 +10,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           ref: main
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ci-from-fork.yml

@@ -18,7 +18,7 @@ jobs:
     timeout-minutes: 5
     if: github.event.pull_request.head.repo.fork == true
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 22.x

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 22.x
@@ -47,7 +47,7 @@ jobs:
     timeout-minutes: 5
     if: github.event.pull_request.head.repo.fork == false
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 22.x
@@ -71,7 +71,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 1
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: oven-sh/setup-bun@v2
       - run: bun install
       - run: bun scripts/validate-yaml.ts