Bump django from 3.2.16 to 3.2.18

Bumps [django](https://github.com/django/django) from 3.2.16 to 3.2.18.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@3.2.16...3.2.18)

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

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

requirements.txt

@@ -2,7 +2,7 @@ airavata-python-sdk==1.0.1
 bcrypt==3.1.7
 cffi==1.15.1
 cryptography==38.0.4
-Django==3.2.16
+Django==3.2.18
 djangorestframework==3.11.2
 google-api-python-client==1.12.8
 grpcio-tools==1.48.2 ; python_version < "3.7"