Bump charset-normalizer from 2.0.12 to 2.1.0 in /demo/graphtutorial

Bumps [charset-normalizer](https://github.com/ousret/charset_normalizer) from 2.0.12 to 2.1.0.
- [Release notes](https://github.com/ousret/charset_normalizer/releases)
- [Changelog](https://github.com/Ousret/charset_normalizer/blob/master/CHANGELOG.md)
- [Commits](jawah/charset_normalizer@2.0.12...2.1.0)

---
updated-dependencies:
- dependency-name: charset-normalizer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

demo/graphtutorial/requirements.txt

@@ -2,7 +2,7 @@ azure-core==1.24.2
 azure-identity==1.10.0
 certifi==2022.6.15
 cffi==1.15.1
-charset-normalizer==2.0.12
+charset-normalizer==2.1.0
 cryptography==37.0.2
 idna==3.3
 msal==1.18.0