Bump geoalchemy2 from 0.6.3 to 0.7.0

Bumps [geoalchemy2](https://github.com/geoalchemy/geoalchemy2) from 0.6.3 to 0.7.0.
- [Release notes](https://github.com/geoalchemy/geoalchemy2/releases)
- [Changelog](https://github.com/geoalchemy/geoalchemy2/blob/master/CHANGES.txt)
- [Commits](https://github.com/geoalchemy/geoalchemy2/compare/0.6.3...0.7.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

setup.py

@@ -42,7 +42,7 @@ setup(
         'celery==4.4.1',
         'redis==3.5.0',
         'aerofiles==1.0.0',
-        'geoalchemy2==0.6.3',
+        'geoalchemy2==0.7.0',
         'shapely==1.7.0',
         'ogn-client==0.9.6',
         'psycopg2-binary==2.8.4',