Bump scientific-python/upload-nightly-action in the actions group

Bumps the actions group with 1 update: [scientific-python/upload-nightly-action](https://github.com/scientific-python/upload-nightly-action).


Updates `scientific-python/upload-nightly-action` from 0.5.0 to 0.6.0
- [Release notes](https://github.com/scientific-python/upload-nightly-action/releases)
- [Commits](scientific-python/upload-nightly-action@b67d7fc...ccf29c8)

---
updated-dependencies:
- dependency-name: scientific-python/upload-nightly-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/nightly.yml

@@ -190,14 +190,14 @@ jobs:
           path: ./dist
           merge-multiple: true
       - name: Upload wheel
-        uses: scientific-python/upload-nightly-action@b67d7fcc0396e1128a474d1ab2b48aa94680f9fc # 0.5.0
+        uses: scientific-python/upload-nightly-action@ccf29c805b5d0c1dc31fa97fcdb962be074cade3 # 0.6.0
         with:
           artifacts_path: dist
           anaconda_nightly_upload_token: ${{secrets.ANACONDA_NIGHTLY_TOKEN}}
           anaconda_nightly_upload_organization: dipy
           anaconda_nightly_upload_labels: dev
       - name: Upload wheel
-        uses: scientific-python/upload-nightly-action@b67d7fcc0396e1128a474d1ab2b48aa94680f9fc # 0.5.0
+        uses: scientific-python/upload-nightly-action@ccf29c805b5d0c1dc31fa97fcdb962be074cade3 # 0.6.0
         with:
           artifacts_path: dist
           anaconda_nightly_upload_token: ${{secrets.ANACONDA_SCIENTIFIC_PYTHON_NIGHTLY_TOKEN}}