ci: ruff format --check all files

Previously this was set to changed files only, but this overrides the
ruff config in pyproject.toml.

This was added as a stop-gap while files were steadily formatted.
Remove this setting to have ruff format respect ruff config.

Author: willcl-ark

.github/workflows/test.yml

@@ -16,12 +16,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      # - uses: chartboost/ruff-action@v1
-      # Until this gets updated we need to use this commit hash (or later)
-      - uses: chartboost/ruff-action@491342200cdd1cf4d5132a30ddc546b3b5bc531b
+      - uses: chartboost/ruff-action@v1
         with:
           args: 'format --check'
-          changed-files: 'true'
   build-image:
     needs: [ruff, ruff-format]
     runs-on: ubuntu-latest