use ruff for formatter (#691)

Author: methane

Diff for: .github/workflows/codeql.yml

@@ -10,5 +10,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: psf/black@stable
-      - uses: chartboost/ruff-action@v1
+      - run: pipx install ruff
+      - run: ruff check src/
+      - run: ruff format src/

Diff for: .github/workflows/lint.yaml

@@ -193,7 +193,9 @@ class object, used to create cursors (keyword only)
         super().__init__(*args, **kwargs2)
         self.cursorclass = cursorclass
         self.encoders = {
-            k: v for k, v in conv.items() if type(k) is not int  # noqa: E721
+            k: v
+            for k, v in conv.items()
+            if type(k) is not int  # noqa: E721
         }
 
         self._server_version = tuple(