Bump actions/checkout from 5.0.0 to 6.0.0 in the actions group

Bumps the actions group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 5.0.0 to 6.0.0
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.0
       - uses: actions/setup-python@v6
         with:
           python-version: "3.11"

.github/workflows/conformance.yml

@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.0
 
       - uses: actions/setup-python@v6
         with:

.github/workflows/publish-report.yml

@@ -71,7 +71,7 @@ jobs:
     if: always()
 
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
 
       - name: Download all individual results
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0

action.yml

@@ -37,7 +37,7 @@ runs:
   using: "composite"
   steps:
     - name: Check out latest CPython release metadata
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6.0.0
       with:
         repository: woodruffw/cpython-release-tracker
         persist-credentials: false