Bump actions/checkout from 3 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/coverage.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Set up steps
         uses: ./.github/actions/setup-steps

.github/workflows/e2e.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Set up steps
         uses: ./.github/actions/setup-steps

.github/workflows/lint-typescript.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Set up steps
         uses: ./.github/actions/setup-steps

.github/workflows/unit.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Set up steps
         uses: ./.github/actions/setup-steps