Add options to the actions-codespell configuration to check hidden fi…

…les and file name

Follows rubocop/rubocop#11719

.github/workflows/spell_checking.yml

@@ -17,6 +17,8 @@ jobs:
       - uses: actions/checkout@v4
       - uses: codespell-project/actions-codespell@v2
         with:
+          check_filenames: true
+          check_hidden: true
           ignore_words_file: codespell.txt
   misspell:
     name: Check spelling of all files in commit with misspell