🏷️ Add mypy to the GitHub Action for tests and fixed types in the whole project (#655)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

backend/pyproject.toml

@@ -35,6 +35,9 @@ mypy = "^1.8.0"
 ruff = "^0.2.2"
 pre-commit = "^3.6.2"
 pytest-mock = "^3.12.0"
+types-python-jose = "^3.3.4.20240106"
+types-passlib = "^1.7.7.20240106"
+celery-types = "^0.22.0"
 
 [tool.isort]
 multi_line_output = 3
@@ -47,6 +50,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.mypy]
 strict = true
+exclude = ["venv", "alembic"]
 
 [tool.ruff]
 target-version = "py310"