Redirect MSAL Python overview page

[Dickson-Mwendia]

@OwenRichards1 this fixes #https://github.com/MicrosoftDocs/azure-docs/issues/111713 and any other docs pointing to the old link.

[learn-build-service-prod[bot]]

Learn Build status updates of commit f25af1f:

:warning: Validation status: warnings

File	Status	Preview URL	Details
.openpublishing.redirection.msal-python-conceptual.json	:warning:Warning		Details

.openpublishing.redirection.msal-python-conceptual.json

• Line 5, Column 55: [Warning: redirection-path-syntax-error] Redirection path syntax is incorrect. 'source_path' should start without '/' and 'source_path_from_root' should start with '/'.
• Line 5, Column 55: [Warning: redirection-path-syntax-error] Redirection path syntax is incorrect. 'source_path' should start without '/' and 'source_path_from_root' should start with '/'.

For more details, please refer to the build report.

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[learn-build-service-prod[bot]]

Learn Build status updates of commit 12b29b6:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
.openpublishing.redirection.msal-python-conceptual.json	:white_check_mark:Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel