Bump scitools/workflows from 2023.03.3 to 2023.04.1

Bumps [scitools/workflows](https://github.com/scitools/workflows) from 2023.03.3 to 2023.04.1.
- [Release notes](https://github.com/scitools/workflows/releases)
- [Commits](SciTools/workflows@2023.03.3...2023.04.1)

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

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

Author: dependabot[bot]

.github/workflows/refresh-lockfiles.yml

@@ -14,5 +14,5 @@ on:
 
 jobs:
   refresh_lockfiles:
-    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2023.03.3
+    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2023.04.1
     secrets: inherit