Bump scitools/workflows from 2025.09.3 to 2025.09.4 in the actions group (#229)

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


Updates `scitools/workflows` from 2025.09.3 to 2025.09.4
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2025.09.3...2025.09.4)

---
updated-dependencies:
- dependency-name: scitools/workflows
  dependency-version: 2025.09.4
  dependency-type: direct:production
  dependency-group: actions
...

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-manifest.yml

@@ -23,4 +23,4 @@ concurrency:
 jobs:
   manifest:
     name: "check-manifest"
-    uses: scitools/workflows/.github/workflows/[email protected].3
+    uses: scitools/workflows/.github/workflows/[email protected].4

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

@@ -10,7 +10,7 @@ on:
 
 jobs:
   prompt-share:
-    uses: scitools/workflows/.github/workflows/[email protected].3
+    uses: scitools/workflows/.github/workflows/[email protected].4
     secrets: inherit
     with:
       pr_number: ${{ github.event.pull_request.number }}