ci(dependabot): bump actions/checkout from 5 to 6 (#294)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/built_branch.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout main branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
     name: check-manifest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
@@ -38,7 +38,7 @@ jobs:
         resolution: ["highest", "lowest-direct"]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: 🐍 Set up Python ${{ matrix.python-version }}
         uses: astral-sh/setup-uv@v7
@@ -82,7 +82,7 @@ jobs:
       matrix:
         backend: ["PyQt5", "PySide6", "PyQt6"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
@@ -101,7 +101,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
@@ -119,7 +119,7 @@ jobs:
     name: Typesafety
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
@@ -133,7 +133,7 @@ jobs:
   benchmarks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
@@ -155,7 +155,7 @@ jobs:
     if: success() && startsWith(github.ref, 'refs/tags/') && github.event_name != 'schedule'
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/test_dependents.yml

@@ -15,11 +15,11 @@ jobs:
     name: test nd2
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: tlambert03/nd2
           fetch-depth: 0
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: ome-types
           fetch-depth: 0
@@ -57,7 +57,7 @@ jobs:
     name: test omero-cli-transfer
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true