cocalc-api: introduce a cleanup logic, of tracked accounts, orgs and projects. (managing an ephemeral database via the API is a bit tricky)

Author: haraldschilly

src/python/cocalc-api/pyproject.toml

@@ -76,9 +76,11 @@ dev = [
     "mkdocs-material",
     "mkdocstrings[python]",
     "mypy",
+    "psycopg2-binary",
     "pyright",
-    "pytest>=8.4.1",
+    "pytest>=8.4.2",
     "pytest-cov",
-    "ruff>=0.12.11",
+    "ruff>=0.13.2",
+    "types-psycopg2",
     "yapf",
 ]