Change back only check changed

Author: holtskinner

.github/workflows/spelling.yaml

@@ -81,5 +81,5 @@ jobs:
             cspell:terraform/dict/terraform.txt
             cspell:typescript/dict/typescript.txt
           check_extra_dictionaries: ''
-          only_check_changed_files: false
+          only_check_changed_files: true
           longest_word: '10'