build(deps): bump the dependencies group with 4 updates (#474)

Bumps the dependencies group with 4 updates: [actions/checkout](https://github.com/actions/checkout), [scitools/workflows/.github/workflows/refresh-lockfiles.yml](https://github.com/scitools/workflows), [scitools/workflows/.github/workflows/ci-manifest.yml](https://github.com/scitools/workflows) and [scitools/workflows/.github/workflows/ci-template-check.yml](https://github.com/scitools/workflows).


Updates `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)

Updates `scitools/workflows/.github/workflows/refresh-lockfiles.yml` from 2025.11.4 to 2025.11.8
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2025.11.4...2025.11.8)

Updates `scitools/workflows/.github/workflows/ci-manifest.yml` from 2025.11.4 to 2025.11.8
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2025.11.4...2025.11.8)

Updates `scitools/workflows/.github/workflows/ci-template-check.yml` from 2025.11.4 to 2025.11.8
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2025.11.4...2025.11.8)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
- dependency-name: scitools/workflows/.github/workflows/refresh-lockfiles.yml
  dependency-version: 2025.11.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: scitools/workflows/.github/workflows/ci-manifest.yml
  dependency-version: 2025.11.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: scitools/workflows/.github/workflows/ci-template-check.yml
  dependency-version: 2025.11.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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

Author: dependabot[bot]

.github/workflows/ci-citation.yml

@@ -20,7 +20,7 @@ jobs:
     name: "validate"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/ci-locks.yml

@@ -15,5 +15,5 @@ concurrency:
 
 jobs:
   refresh_lockfiles:
-    uses: scitools/workflows/.github/workflows/[email protected].4
+    uses: scitools/workflows/.github/workflows/[email protected].8
     secrets: inherit

.github/workflows/ci-manifest.yml

@@ -25,4 +25,4 @@ concurrency:
 jobs:
   manifest:
     name: "check-manifest"
-    uses: scitools/workflows/.github/workflows/[email protected].4
+    uses: scitools/workflows/.github/workflows/[email protected].8

.github/workflows/ci-template-check.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   prompt-share:
-    uses: scitools/workflows/.github/workflows/[email protected].4
+    uses: scitools/workflows/.github/workflows/[email protected].8
     secrets: inherit
     with:
       pr_number: ${{ github.event.pull_request.number }}

.github/workflows/ci-tests.yml

@@ -49,7 +49,7 @@ jobs:
             coverage: "--cov-report=xml --cov=nc_time_axis"
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/ci-wheels.yml

@@ -39,7 +39,7 @@ jobs:
         shell: bash -l {0}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0