Bump apache-airflow from 1.9.0 to 2.10.0

Bumps [apache-airflow](https://github.com/apache/airflow) from 1.9.0 to 2.10.0.
- [Release notes](https://github.com/apache/airflow/releases)
- [Changelog](https://github.com/apache/airflow/blob/2.10.0/RELEASE_NOTES.rst)
- [Commits](apache/airflow@1.9.0...2.10.0)

---
updated-dependencies:
- dependency-name: apache-airflow
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -1,4 +1,4 @@
-apache-airflow==1.8.2
+apache-airflow==2.10.0
 azure-mgmt-hdinsight~=1.2.0
 msrestazure~=0.6.4
 mock~=3.0.1