Update python-cinderclient to version 8.1.0 / rev 41 via SR 939529
    
    https://build.opensuse.org/request/show/939529
    by user dirkmueller + dimstar_suse
    - update to version 8.1.0
      - Remove v2 support from the shell
      - Add consumes quota field support
      - client: Stop logging request-id twice in DEBUG
      - Add Python3 xena unit tests
      - Support Block Storage API mv 3.66
      - Fix list resources when use limit and with-count
      - Remove v2 classes
      - setup.cfg: Replace dashes with underscores
      - Prepare for Xena cinderclient release
      - Remove skip_missing_interpreters
      - Update master for stable/wallaby
      - Increase default quotas for zuul jobs
      - update some scripts
      - Make instance_uuid optional in attachment create
      - Add functional jobs to the gate
      - Dropping lower constraints testing
      - Unset tempest.lib timeout in functional tests
      - Support passing client certificates for server version requests
      - Run functional job on Ubun