Tweaked CI workflow

Author: ravngr

.github/workflows/ci.yaml

@@ -38,9 +38,9 @@ jobs:
         uses: actions/cache@v3
         with:
           path: ~/.cache/pre-commit
-          key: pre-commit-3|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
+          key: pre-commit_${{ env.pythonLocation }}_${{ hashFiles('.pre-commit-config.yaml') }}
 
       - name: "Run pre-commit tests"
         shell: bash
         run: |
-          pre-commit run --show-diff-on-failure --color=always
+          pre-commit run -a --color=always