Update CI a bit - might fix pixi issues?

Author: charles-turner-1

.github/workflows/ci.yml

@@ -12,6 +12,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/[email protected]
+        with:
+          fetch-depth: 0
       - uses: actions/setup-python@v6
       - uses: pre-commit/[email protected]
 
@@ -27,14 +29,15 @@ jobs:
         environments: ${{ matrix.environment }}
         frozen: true # This seems hacky?
 
-    - name: Clean git workspace
+    - name: Clean workspace
       run: |
         git clean -fdx
         git reset --hard HEAD
+        pixi clean --all
 
     - name: Run tests and generate coverage report
       run: |
-        pixi clean && pixi run -e ${{ matrix.environment }} test-cov
+        pixi run -e ${{ matrix.environment }} test-cov
 
     - name: Upload code coverage
       uses: codecov/codecov-action@v5