Bump msal from 1.28.0 to 1.28.1

Bumps [msal](https://github.com/AzureAD/microsoft-authentication-library-for-python) from 1.28.0 to 1.28.1.
- [Release notes](https://github.com/AzureAD/microsoft-authentication-library-for-python/releases)
- [Commits](AzureAD/microsoft-authentication-library-for-python@1.28.0...1.28.1)

---
updated-dependencies:
- dependency-name: msal
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -50,7 +50,7 @@ mccabe==0.7.0 ; python_version >= '3.6'
 
 mock==5.1.0 ; python_version >= '3.6'
 
-msal==1.28.0
+msal==1.28.1
 
 msal-extensions==1.1.0