CI: exclude AMS DOI from urlcheck (#1718)

Author: slayoo

.github/workflows/precommit.yml

@@ -76,7 +76,7 @@ jobs:
           exclude_urls: https://www.gnu.org/licenses/gpl-3.0.html,https://open-atmos.github.io/PySDM/\2/\3.html
 
           # A comma separated patterns to exclude during URL checks
-          exclude_patterns: http://purl.org,http://www.w3.org
+          exclude_patterns: http://purl.org,http://www.w3.org,https://doi.org/10.1175/
 
           # A comma separated list of file patterns (direct paths work as well) to exclude
           exclude_files: docs/generate_html.py,.github/workflows/precommit.yml