Update git submodules

* Update oslo.db from branch 'master'
  to 1f003bcb0b74cecbfe24f52402328b76a07c9983
  - Get test suite to full pass with SQLAlchemy 2.0
    
    Remaining issues encountered when running with SQLAlchemy 2.0 for real:
    
    * Never call str() on a URL and expect it to be meaningful anymore.
      The password is aggressively obfuscated now (users absolultely
      wouldn't let us leave it as is)
    * More utilities and fixtures that were calling begin() within a
      block that would have already begun
    * isnot is now called is_not; mocking "isnot" leads into too many
      weird compat layers
    * ORM InstrumentedAttribute and internals use __slots__ now, mock
      seems to not be able to patch methods.  Ideally these tests would use
      a comparator subclass or something
    * Connection.connection.connection is now called driver_connection,
      SQLAlchemy keeps the old name available however oslo.db test suite
      does not appear to tolerate the deprecation warning emitted,
      so add a compat layer
    * mapper() is fully removed from 2.0, not sure if there is another
      not-yet-committed gerrit that removes mapper()
    
    [1] https://docs.sqlalchemy.org/en/20/core/engines.html#sqlalchemy.create_engine.params.pool_pre_ping
    [2] https://docs.sqlalchemy.org/en/20/changelog/changelog_20.html#change-2fe37eaf2295cebd3bb4ee8e5b8c575c
    [3] https://github.com/sqlalchemy/sqlalchemy/issues/5648
    
    Change-Id: Ifaca67c07f008d8bc0febeecd3e200cc7ee7a4b0

oslo.db

@@ -1 +1 @@
-Subproject commit da4f13e7345653eba8aab5b8aceeaeff7367989e
+Subproject commit 1f003bcb0b74cecbfe24f52402328b76a07c9983