chore(deps): bump babel from 2.5.3 to 2.9.1 in /superset/translations (…

…apache#17958)

Bumps [babel](https://github.com/python-babel/babel) from 2.5.3 to 2.9.1.
- [Release notes](https://github.com/python-babel/babel/releases)
- [Changelog](https://github.com/python-babel/babel/blob/master/CHANGES)
- [Commits](python-babel/babel@v2.5.3...v2.9.1)

---
updated-dependencies:
- dependency-name: babel
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

superset/translations/requirements.txt

@@ -14,4 +14,4 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-Babel==2.5.3
+Babel==2.9.1