Update msal requirement from ~=1.8.0 to ~=1.12.0 in /src/front

Updates the requirements on [msal](https://github.com/AzureAD/microsoft-authentication-library-for-python) to permit the latest version.
- [Release notes](https://github.com/AzureAD/microsoft-authentication-library-for-python/releases)
- [Commits](AzureAD/microsoft-authentication-library-for-python@1.8.0...1.12.0)

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

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

src/front/requirements.txt

@@ -4,6 +4,6 @@ fastapi~=0.62.0
 python-multipart
 aiofiles
 azure-keyvault
-msal~=1.8.0
+msal~=1.12.0
 starlette~=0.13.6
 azure-identity