Bump scitools/workflows from 2024.08.3 to 2024.09.1 (#271)

Bumps [scitools/workflows](https://github.com/scitools/workflows) from 2024.08.3 to 2024.09.1.
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2024.08.3...2024.09.1)

---
updated-dependencies:
- dependency-name: scitools/workflows
  dependency-type: direct:production
...

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

.github/workflows/ci-locks.yml

@@ -15,5 +15,5 @@ concurrency:
 
 jobs:
   refresh_lockfiles:
-    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2024.08.3
+    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2024.09.1
     secrets: inherit

.github/workflows/ci-manifest.yml

@@ -25,4 +25,4 @@ concurrency:
 jobs:
   manifest:
     name: "check-manifest"
-    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2024.08.3
+    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2024.09.1