Make exclude-path regex patterns more robust

Use '.*meta\.json$' instead of '.*/meta\.json$' to match files
both with and without directory paths. This ensures all meta.json
and meta.cn.json files are properly excluded from link checking.

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

.github/workflows/check-links.yml

@@ -26,8 +26,8 @@ jobs:
           # Use configuration file for path remapping and settings
           args: >-
             --config lychee.toml
-            --exclude-path '.*/meta\.json$'
-            --exclude-path '.*/meta\.cn\.json$'
+            --exclude-path '.*meta\.json$'
+            --exclude-path '.*meta\.cn\.json$'
             'content/**/*.md'
             'content/**/*.mdx'
             'README.md'