Bump scitools/workflows in the dependencies group

Bumps the dependencies group with 1 update: [scitools/workflows](https://github.com/scitools/workflows).


Updates `scitools/workflows` from 2024.12.1 to 2024.12.3
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2024.12.1...2024.12.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci-manifest.yml

@@ -25,4 +25,4 @@ concurrency:
 jobs:
   manifest:
     name: "check-manifest"
-    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2024.12.1
+    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2024.12.3