Bump the dependencies group with 2 updates

Bumps the dependencies group with 2 updates: [scitools/workflows](https://github.com/scitools/workflows) and [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel).


Updates `scitools/workflows` from 2024.09.4 to 2024.09.6
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2024.09.4...2024.09.6)

Updates `pypa/cibuildwheel` from 2.20.0 to 2.21.1
- [Release notes](https://github.com/pypa/cibuildwheel/releases)
- [Changelog](https://github.com/pypa/cibuildwheel/blob/main/docs/changelog.md)
- [Commits](pypa/cibuildwheel@v2.20.0...v2.21.1)

---
updated-dependencies:
- dependency-name: scitools/workflows
  dependency-type: direct:production
  dependency-group: dependencies
- dependency-name: pypa/cibuildwheel
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci-locks.yml

@@ -18,5 +18,5 @@ concurrency:
 
 jobs:
   refresh_lockfiles:
-    uses: scitools/workflows/.github/workflows/[email protected].4
+    uses: scitools/workflows/.github/workflows/[email protected].6
     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].6

.github/workflows/ci-wheels.yml

@@ -48,7 +48,7 @@ jobs:
         fetch-depth: 0
 
     - name: "build ${{ matrix.os }} (${{ matrix.arch }}) wheels"
-      uses: pypa/cibuildwheel@v2.20.0
+      uses: pypa/cibuildwheel@v2.21.1
       env:
         CIBW_SKIP: "cp39-* cp313-* pp* *-musllinux*"
         CIBW_ARCHS: ${{ matrix.arch }}