Replace isort and black with ruff (#17620)

Ruff now has decent parity with black and isort, so this is going to just save us a bunch of time

.github/workflows/fix_lint.yaml

@@ -29,17 +29,9 @@ jobs:
         with:
           install-project: "false"
 
-      - name: Import order (isort)
+      - name: Run ruff
         continue-on-error: true
-        run: poetry run isort .
-
-      - name: Code style (black)
-        continue-on-error: true
-        run: poetry run black .
-
-      - name: Semantic checks (ruff)
-        continue-on-error: true
-        run: poetry run ruff --fix .
+        run: poetry run ruff check --fix .
 
       - run: cargo clippy --all-features --fix -- -D warnings
         continue-on-error: true
@@ -49,4 +41,4 @@ jobs:
 
       - uses: stefanzweifel/git-auto-commit-action@v5
         with:
-            commit_message: "Attempt to fix linting"
+          commit_message: "Attempt to fix linting"

.github/workflows/tests.yml

@@ -131,15 +131,8 @@ jobs:
         with:
           install-project: "false"
 
-      - name: Import order (isort)
-        run: poetry run isort --check --diff .
-
-      - name: Code style (black)
-        run: poetry run black --check --diff .
-
-      - name: Semantic checks (ruff)
-        # --quiet suppresses the update check.
-        run: poetry run ruff check --quiet .
+      - name: Check style
+        run: poetry run ruff check --output-format=github .
 
   lint-mypy:
     runs-on: ubuntu-latest

changelog.d/17620.misc

@@ -0,0 +1 @@
+Replace `isort` and `black with `ruff`.

docs/code_style.md

@@ -8,9 +8,7 @@ errors in code.
 
 The necessary tools are:
 
-- [black](https://black.readthedocs.io/en/stable/), a source code formatter;
-- [isort](https://pycqa.github.io/isort/), which organises each file's imports;
-- [ruff](https://github.com/charliermarsh/ruff), which can spot common errors; and
+- [ruff](https://github.com/charliermarsh/ruff), which can spot common errors and enforce a consistent style; and
 - [mypy](https://mypy.readthedocs.io/en/stable/), a type checker.
 
 See [the contributing guide](development/contributing_guide.md#run-the-linters) for instructions