Update apache-airflow-providers-amazon requirement

Updates the requirements on [apache-airflow-providers-amazon](https://github.com/apache/airflow) to permit the latest version.
- [Release notes](https://github.com/apache/airflow/releases)
- [Changelog](https://github.com/apache/airflow/blob/main/RELEASE_NOTES.rst)
- [Commits](apache/airflow@providers-slack/7.3.0...providers-amazon/9.0.0)

---
updated-dependencies:
- dependency-name: apache-airflow-providers-amazon
  dependency-type: direct:production
...

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

requirements.txt

@@ -1,4 +1,4 @@
-apache-airflow-providers-amazon>=7.3.0,<9
+apache-airflow-providers-amazon>=7.3.0,<10
 apache-airflow-providers-common-sql>=1.3.2,<2
 apache-airflow-providers-postgres>=5.4.0,<6
 apache-airflow-providers-slack>=8,<9