Update python-msal to version 1.28.0 / rev 21 via SR 1166433
    
    https://build.opensuse.org/request/show/1166433
    by user rjschwei + anag+factory
    - Update to version 1.28.0
      * New feature: PublicClientApplication and ConfidentialClientApplication
        have a new oidc_authority parameter that can be used to specify authority
        of any generic OpenID Connect authority, typically the customized domain
        for CIAM. (#676, #678)
      * Dropping Python 2.7
    - from version 1.27.0
      * New feature: remove_tokens_for_client() will remove tokens acquired
        by acquire_token_for_client() (#640, #650, #666)
      * Performance: Throughput of token-cache-hit happy path is roughly 2x faster (#644)
      * Adjustment: MSAL no longer attempts to validate an ID token's time (#656, #657)
      * Adjustment: Bump upstream broker dependency to 0.14.x
      * Improvement: Better chance to remove accounts from broker (#651)
      * Improvement: Cleaner console output when the