build(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...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] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci-docker.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out the repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Log in to Docker Hub
       uses: docker/login-action@v3

.github/workflows/copilot-setup-steps.yml

@@ -26,7 +26,7 @@ jobs:
     # If you do not check out your code, Copilot will do this for you.
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/machines.yml

@@ -19,7 +19,7 @@ jobs:
           - ssh
           - ssh_rsync
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: ./ci/${{ matrix.machine }}.sh
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/publish_conda.yml

@@ -9,7 +9,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: publish-to-conda
       uses: felix5572/[email protected]
       with:

.github/workflows/pyright.yml

@@ -11,7 +11,7 @@ jobs:
     name: pyright
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: '3.11'

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
         # IMPORTANT: this permission is mandatory for trusted publishing
         id-token: write
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Setup python
       uses: actions/setup-python@v6
       with:

.github/workflows/test-bohrium.yml

@@ -16,7 +16,7 @@ jobs:
     environment: bohrium
     if: github.repository_owner == 'deepmodeling' && (github.event.label.name == 'Test Bohrium' || github.event_name == 'push')
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         ref: "${{ github.event.pull_request.merge_commit_sha }}"
     - name: Set up Python 3.12

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
           - python-version: "3.7"
             platform: macos-15-intel
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with: