Bump actions/checkout from 5 to 6 (#460)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Pascal Bourgault <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -38,7 +38,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Create conda environment
         uses: mamba-org/setup-micromamba@v2
         with:
@@ -80,7 +80,7 @@ jobs:
         uses: styfle/[email protected]
         with:
           access_token: ${{ github.token }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Create conda environment
         uses: mamba-org/setup-micromamba@v2
         with:

.github/workflows/linting.yaml

@@ -11,7 +11,7 @@ jobs:
   linting:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.x"

.github/workflows/pypi.yaml

@@ -17,7 +17,7 @@ jobs:
   packages:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6