[AJ-1783]: Bump databiosphere/github-actions from bumper-0.3.0 to 0.4.0

Bumps [databiosphere/github-actions](https://github.com/databiosphere/github-actions) from bumper-0.3.0 to 0.4.0. This release includes the previously tagged commit.
- [Release notes](https://github.com/databiosphere/github-actions/releases)
- [Commits](DataBiosphere/github-actions@bumper-0.3.0...bumper-0.4.0)

---
updated-dependencies:
- dependency-name: databiosphere/github-actions
  dependency-type: direct:production
...

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

.github/workflows/tag.yml

@@ -21,7 +21,7 @@ jobs:
           token: ${{ secrets.BROADBOT_TOKEN }} # this allows the push to succeed later
       - name: Bump the tag to a new version
         # https://github.com/DataBiosphere/github-actions/tree/master/actions/bumper
-        uses: databiosphere/github-actions/actions/bumper@bumper-0.3.0
+        uses: databiosphere/github-actions/actions/bumper@bumper-0.4.0
         id: tag
         env:
           GITHUB_TOKEN: ${{ secrets.BROADBOT_TOKEN }}