Update spelling.yml

Author: svekars

.github/workflows/spelling.yml

@@ -40,15 +40,15 @@ jobs:
         run: |
           if [ "${{ github.event_name }}" == "pull_request" ]; then
             CHANGED_FILES=$(git diff --name-only origin/${{ github.base_ref }}..HEAD -- \                         
-              './*.{rst,md}' \
+              '*.rst' '*.md' \
               'beginner_source/**/*.{py,rst,md}' \
               'intermediate_source/**/*.{py,rst,md}' \
               'advanced_source/**/*.{py,rst,md}' \
               'recipes_source/**/*.{py,rst,md}' \
               'prototype_source/**/*.{py,rst,md}') 
           else
             CHANGED_FILES=$(git diff --name-only HEAD^..HEAD -- \
-              './*.{rst,md}' \
+              '*.rst' '*.md' \
               'beginner_source/**/*.{py,rst,md}' \
               'intermediate_source/**/*.{py,rst,md}' \
               'advanced_source/**/*.{py,rst,md}' \