Bump benjlevesque/short-sha from 1.2 to 3.0

Bumps [benjlevesque/short-sha](https://github.com/benjlevesque/short-sha) from 1.2 to 3.0.
- [Release notes](https://github.com/benjlevesque/short-sha/releases)
- [Commits](benjlevesque/short-sha@v1.2...v3.0)

---
updated-dependencies:
- dependency-name: benjlevesque/short-sha
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/python-app.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: benjlevesque/short-sha@v1.2
+      - uses: benjlevesque/short-sha@v3.0
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v2
         with: