Update alembic to 1.0.10

[pyup-bot]

This PR updates alembic from 1.0.9 to 1.0.10.

Changelog

1.0.10

:released: April 28, 2019

 .. change::
    :tags: bug, commands
    :tickets: 552

    Fixed bug introduced in release 0.9.0 where the helptext for commands
    inadvertently got expanded to include function docstrings from the
    command.py module.  The logic has been adjusted to only refer to the first
    line(s) preceding the first line break within each docstring, as was the
    original intent.

 .. change::
     :tags: bug, operations, mysql
     :tickets: 551

     Added an assertion in :meth:`.RevisionMap.get_revisions` and other methods
     which ensures revision numbers are passed as strings or collections of
     strings.   Driver issues particularly on MySQL may inadvertently be passing
     bytes here which leads to failures later on.

 .. change::
     :tags: bug, autogenerate, mysql
     :tickets: 553

     Fixed bug when using the
     :paramref:`.EnvironmentContext.configure.compare_server_default` flag set
     to ``True`` where a server default that is introduced in the table metadata
     on an ``Integer`` column, where there is no existing server default in the
     database, would raise a ``TypeError``.

.. changelog::

Links

• PyPI: https://pypi.org/project/alembic
• Changelog: https://pyup.io/changelogs/alembic/
• Homepage: https://alembic.sqlalchemy.org
• Docs: https://pythonhosted.org/alembic/

[coveralls]

Coverage remained the same at 30.417% when pulling 0283b18 on pyup-update-alembic-1.0.9-to-1.0.10 into 5241de5 on master.