Update flask-migrate to 2.5.3

[pyup-bot]

This PR updates Flask-Migrate from 2.5.2 to 2.5.3.

Changelog

2.5.3

- Allow `Path` objects to be used as `directory` parameter [319](https://github.com/miguelgrinberg/flask-migrate/issues/319) Closes [318](https://github.com/miguelgrinberg/flask-migrate/issues/318). ([commit](https://github.com/miguelgrinberg/flask-migrate/commit/399cb28cc128539111234f7ecea0b3187325af82)) (thanks **Nicolas Schneider**!)
- Use same database URLs as Flask-SQLAlchemy [276](https://github.com/miguelgrinberg/flask-migrate/issues/276) ([commit](https://github.com/miguelgrinberg/flask-migrate/commit/4a180b711bf87572617a0b7caad0a7151f53fde7))
- Document how to set up with init_app method [302](https://github.com/miguelgrinberg/flask-migrate/issues/302) ([commit](https://github.com/miguelgrinberg/flask-migrate/commit/6a76c245740d9af3ad5eef56ee9ff15f8205a0ca)) (thanks **Kyle Lawlor**!)
- Document how to include a message in initial migrate. [313](https://github.com/miguelgrinberg/flask-migrate/issues/313) ([commit](https://github.com/miguelgrinberg/flask-migrate/commit/aa05b836a2fe89363bc2d61a699acd54aca52bd5)) (thanks **Bernardo Gomes**!)
- Remove checks for alembic 0.7.0 [278](https://github.com/miguelgrinberg/flask-migrate/issues/278) Flask-Migrate requires alembic >= 0.7 in its setup.py file, which makes all the checks for this version obsolete. ([commit](https://github.com/miguelgrinberg/flask-migrate/commit/97b8d334324ecb043fb0ddaef1660f36832af02c)) (thanks **Tadej Borovšak**!)
- Use sys.executable in tests [290](https://github.com/miguelgrinberg/flask-migrate/issues/290) Also re-order imports. Closes https://github.com/miguelgrinberg/Flask-Migrate/issues/289 ([commit](https://github.com/miguelgrinberg/flask-migrate/commit/e5135e5a6a31675d5fb10febe815b257d82632a2)) (thanks **John Vandenberg**!)
- Cosmetic improvements to help messages [284](https://github.com/miguelgrinberg/flask-migrate/issues/284) ([commit](https://github.com/miguelgrinberg/flask-migrate/commit/d501d8b2923187df00d6bb1ec1f04694ab3f9667)) (thanks **Marat Sharafutdinov**!)

Links

• PyPI: https://pypi.org/project/flask-migrate
• Changelog: https://pyup.io/changelogs/flask-migrate/
• Repo: http://github.com/miguelgrinberg/flask-migrate/
• Docs: https://pythonhosted.org/Flask-Migrate/

[vorpal-buildbot]

Changelogs

Flask-Migrate 2.5.3

• Allow Path objects to be used as directory parameter 319 Closes 318. (commit) (thanks Nicolas Schneider!)
• Use same database URLs as Flask-SQLAlchemy 276 (commit)
• Document how to set up with init_app method 302 (commit) (thanks Kyle Lawlor!)
• Document how to include a message in initial migrate. 313 (commit) (thanks Bernardo Gomes!)
• Remove checks for alembic 0.7.0 278 Flask-Migrate requires alembic >= 0.7 in its setup.py file, which makes all the checks for this version obsolete. (commit) (thanks Tadej Borovšak!)
• Use sys.executable in tests 290 Also re-order imports. Closes Tests invoke 'python' miguelgrinberg/Flask-Migrate#289 (commit) (thanks John Vandenberg!)
• Cosmetic improvements to help messages 284 (commit) (thanks Marat Sharafutdinov!)

[codecov]

Codecov Report

Merging #7098 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #7098      +/-   ##
=========================================
+ Coverage   45.47%   45.5%   +0.02%     
=========================================
  Files         275     275              
  Lines       13789   13789              
  Branches     2066    2066              
=========================================
+ Hits         6271    6275       +4     
+ Misses       7231    7225       -6     
- Partials      287     289       +2

Impacted Files	Coverage Δ
decksite/league.py	34.32% <0%> (-0.34%)	⬇️
maintenance/elo.py	0% <0%> (ø)	⬆️
decksite/view.py	60.79% <0%> (ø)	⬆️
decksite/views/person_achievements.py	35% <0%> (ø)	⬆️
decksite/data/rule.py	23.42% <0%> (ø)	⬆️
magic/fetcher.py	25.73% <0%> (+0.42%)	⬆️
magic/image_fetcher.py	35.66% <0%> (+1.27%)	⬆️
decksite/data/competition.py	65.43% <0%> (+2.46%)	⬆️

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[vorpal-buildbot]

Seen on LOGS, PROD (created by @pyup-bot and merged by @mergify[bot] 17 seconds ago) Please check your changes!