⬆️ Bump dawidd6/action-download-artifact from 12 to 15

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 12 to 15.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v12...v15)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-version: '15'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
         shell: bash -l {0}
         run: pip list
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v12
+        uses: dawidd6/action-download-artifact@v15
         with:
           workflow: cache.yml
           branch: main

.github/workflows/publish.yml

@@ -42,7 +42,7 @@ jobs:
         run: pip list
       # Download Build Cache from cache.yml
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v12
+        uses: dawidd6/action-download-artifact@v15
         with:
           workflow: cache.yml
           branch: main