Bump cryptography from 36.0.2 to 37.0.4 in /demo/graph_tutorial

Bumps [cryptography](https://github.com/pyca/cryptography) from 36.0.2 to 37.0.4.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@36.0.2...37.0.4)

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

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

Author: dependabot[bot]

demo/graph_tutorial/requirements.txt

@@ -2,7 +2,7 @@ asgiref==3.5.2
 certifi==2021.10.8
 cffi==1.15.1
 chardet==4.0.0
-cryptography==36.0.2
+cryptography==37.0.4
 Django==3.2.15
 idna==3.3
 msal==1.18.0