Fix pre-commit call in SPEC0 action [ci skip] (#13609)

Author: tsbinns

.github/workflows/spec_zero.yml

@@ -55,11 +55,12 @@ jobs:
       - name: Run pre-commit hooks to update other files
         run: |
           pip install pre-commit
-          pre-commit run --all
+          pre-commit run --all || true
         if: steps.status.outputs.dirty == 'true'
       - name: Create PR
         run: |
           set -xeo pipefail
+          git diff
           git config --global user.email "50266005+mne-bot@users.noreply.github.com"
           git config --global user.name "mne[bot]"
           git checkout -b spec_zero