chore(spell-check-partial): enable for unchanged files (#4383)

Author: HansRobo

.github/workflows/spell-check-partial.yaml

@@ -15,4 +15,4 @@ jobs:
         with:
           cspell-json-url: https://raw.githubusercontent.com/tier4/autoware-spell-check-dict/main/.cspell.json
           local-cspell-json: .cspell-partial.json
-          incremental-files-only: true
+          incremental-files-only: false