Bump alembic from 1.0.10 to 1.1.0

Bumps [alembic](https://github.com/sqlalchemy/alembic) from 1.0.10 to 1.1.0.
- [Release notes](https://github.com/sqlalchemy/alembic/releases)
- [Changelog](https://github.com/sqlalchemy/alembic/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/alembic/commits)

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

Pipfile.lock

@@ -16,10 +16,10 @@
     "default": {
         "alembic": {
             "hashes": [
-                "sha256:828dcaa922155a2b7166c4f36ec45268944e4055c86499bd14319b4c8c0094b7"
+                "sha256:4a4811119efbdc5259d1f4c8f6de977b36ad3bcc919f59a29c2960c5ef9149e4"
             ],
             "index": "pypi",
-            "version": "==1.0.10"
+            "version": "==1.1.0"
         },
         "amqp": {
             "hashes": [

requirements.txt

@@ -1,5 +1,5 @@
 -i https://pypi.python.org/simple/
-alembic==1.0.10
+alembic==1.1.0
 amqp==2.5.1
 billiard==3.6.1.0
 blinker==1.4