run pre-commit into its own workflow which has better caching

.github/workflows/pixi.yml

@@ -10,22 +10,6 @@ permissions:
   contents: read
 
 jobs:
-  qa:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Setup Pixi
-        uses: prefix-dev/[email protected]
-        with:
-          pixi-version: v0.25.0
-          environments: qa
-      - name: Install QA
-        run: pixi run qa-install
-      - name: Run QA
-        run: pixi run qa-ci
-
   simpletests:
     runs-on: ubuntu-22.04
     steps:

.github/workflows/pre-commit.yml

@@ -0,0 +1,16 @@
+name: pre-commit
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+    - uses: pre-commit/[email protected]

pyproject.toml

@@ -62,7 +62,6 @@ python = "3.12"
 [tool.pixi.feature.qa.tasks]
 qa-install = "pre-commit install"
 qa = "pre-commit run --all-files"
-qa-ci = "pre-commit run --all-files --show-diff-on-failure --verbose"
 
 [tool.pixi.feature.doc.tasks]
 doc-clean = "rm -rf doc/api && rm -rf html"