Remove ruff from GHA

This is already run in pre-commit there is no benefit to running it
twice.

.github/workflows/build.yaml

@@ -6,13 +6,6 @@ on:
   schedule:
     - cron: '0 4 * * 1'
 jobs:
-  ruff:  # https://beta.ruff.rs
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-    - run: pip install --user ruff
-    - run: ruff --format=github .
-
   # this job ensures that tests can run from the packaged version, which means
   # that nose2 is correctly packaging and distributing its tests
   test-sdist:

pyproject.toml

@@ -115,7 +115,7 @@ ignore = [
   "RUF005",
   "RUF100"
 ]
-target-version = "py37"
+target-version = "py38"
 
 [tool.ruff.isort]
 known-third-party = [