Update python-python3-saml to version 1.16.0 / rev 11 via SR 1255310
    
    https://build.opensuse.org/request/show/1255310
    by user mcepl + anag+factory
    - Update URL and Source tags to new URL.
    - Update to 1.16.0
      * #364 Improve get_metadata method from Parser, allowing to set headers
      * Fix WantAuthnRequestsSigned parser
      * Fix expired payloads used on tests
      * Updated content from docs folder
    - Drop fix-payloads-tests-dates.patch, merged upstream