Update typing-extensions requirement

Updates the requirements on [typing-extensions](https://github.com/python/typing) to permit the latest version.
- [Release notes](https://github.com/python/typing/releases)
- [Commits](https://github.com/python/typing/compare/3.7.4...3.10.0.2)

---
updated-dependencies:
- dependency-name: typing-extensions
  dependency-type: direct:production
...

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

requirements.txt

@@ -3,7 +3,7 @@ databases[postgresql]>=0.3.2,<0.5.1
 databases[mysql]>=0.3.2,<0.5.1
 pydantic >=1.6.1,!=1.7,!=1.7.1,!=1.7.2,!=1.7.3,!=1.8,!=1.8.1,<=1.8.2
 sqlalchemy>=1.3.18,<=1.4.23
-typing_extensions>=3.7,<=3.7.4.3
+typing_extensions>=3.7,<3.10.0.3
 orjson
 cryptography