Linting fix.

Author: desrosj

.github/workflows/check-built-files.yml

@@ -165,7 +165,7 @@ jobs:
         run: |
           diff_output=$(git diff)
           if [ -n "$diff_output" ]; then
-            echo uncommitted_changes=$(echo "$diff_output") >> "$GITHUB_OUTPUT"
+            echo uncommitted_changes="$diff_output" >> "$GITHUB_OUTPUT"
           fi
 
       - name: Stage changes