Docker image: black 22.3.0, mypy 0.950

requirements.txt

@@ -81,8 +81,8 @@ Babel==2.3.4; extra == "dev"
 ipython==7.29.0; extra == "dev"
 pojson==0.7; extra == "dev"
 flake8==4.0.1; extra == "dev"
-mypy==0.910; extra == "dev"
-black==21.9b0; extra == "dev"
+mypy==0.950; extra == "dev"
+black==22.3.0; extra == "dev"
 mongo-types==0.14.2; extra == "dev"
 types-cachetools==4.2.4; extra == "dev"
 # Login LDAP