Bump sqlalchemy from 1.3.11 to 1.3.12 (#7106)

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.3.11 to 1.3.12.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: Alex Gaynor <[email protected]>

Author: dependabot-preview[bot]

requirements/main.txt

@@ -546,8 +546,8 @@ six==1.13.0 \
     --hash=sha256:30f610279e8b2578cab6db20741130331735c781b56053c59c4076da27f06b66
 sqlalchemy-citext==1.3.post0 \
     --hash=sha256:7d7343037a35153d6f94c3c2f6baf391f88a57651c3bde5d6749d216859ae4c5
-sqlalchemy==1.3.11 \
-    --hash=sha256:afa5541e9dea8ad0014251bc9d56171ca3d8b130c9627c6cb3681cff30be3f8a
+sqlalchemy==1.3.12 \
+    --hash=sha256:bfb8f464a5000b567ac1d350b9090cf081180ec1ab4aa87e7bca12dab25320ec
 stdlib-list==0.6.0 \
     --hash=sha256:133cc99104f5a4e1604dc88ebb393529bd4c2b99ae7e10d46c0b596f3c67c3f0
 structlog==19.2.0 \