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/_build-packages.yml

@@ -25,7 +25,7 @@ jobs:
       matrix:
         pkg-name: ${{ fromJSON(inputs.pkg-names) }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.x"

.github/workflows/_legacy-checkpoints.yml

@@ -55,7 +55,7 @@ jobs:
     outputs:
       pl-version: ${{ steps.decide-version.outputs.pl-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv and set Python version
         uses: astral-sh/setup-uv@v7
@@ -139,7 +139,7 @@ jobs:
     env:
       PL_VERSION: ${{ needs.create-legacy-ckpts.outputs.pl-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: master
 

.github/workflows/ci-pkg-install.yml

@@ -46,7 +46,7 @@ jobs:
         pkg-name: ["fabric", "pytorch", "lightning", "notset"]
         python-version: ["3.10", "3.11"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}

.github/workflows/ci-tests-fabric.yml

@@ -65,7 +65,7 @@ jobs:
       DISABLE_MPS: ${{ matrix.os == 'macOS-14' && '1' || '0' }}
       UV_TORCH_BACKEND: "cpu"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv and set Python version
         uses: astral-sh/setup-uv@v7

.github/workflows/ci-tests-pytorch.yml

@@ -70,7 +70,7 @@ jobs:
       DISABLE_MPS: ${{ matrix.os == 'macOS-14' && '1' || '0' }}
       UV_TORCH_BACKEND: "cpu"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv and set Python version
         uses: astral-sh/setup-uv@v7

.github/workflows/cleanup-caches.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Cleanup
         run: |

.github/workflows/code-checks.yml

@@ -28,7 +28,7 @@ jobs:
   mypy:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv and set Python version
         uses: astral-sh/setup-uv@v7

.github/workflows/docs-build.yml

@@ -63,7 +63,7 @@ jobs:
       PIN_RELEASE_VERSIONS: 1
       ARTIFACT_DAYS: 0
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.checkout }}
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/docs-tutorials.yml

@@ -18,7 +18,7 @@ jobs:
   docs-update:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true
           fetch-depth: 0

.github/workflows/labeler-issue.yml

@@ -19,7 +19,7 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Parse issue form
         uses: stefanbuck/github-issue-parser@v3