Bump flask from 0.12.4 to 1.0 in /hyperlpr_py3

Bumps [flask](https://github.com/pallets/flask) from 0.12.4 to 1.0.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/master/CHANGES.rst)
- [Commits](https://github.com/pallets/flask/compare/0.12.4...1.0)

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

hyperlpr_py3/requirements.txt

@@ -4,7 +4,7 @@ astor==0.8.1
 click==7.1.1
 cycler==0.10.0
 decorator==4.4.2
-Flask==0.12.4
+Flask==1.0
 Flask-Migrate==2.5.3
 Flask-MySQLdb==0.2.0
 Flask-Script==2.0.6