Merge branch 'feature/disabe_chatbot_for_release_branches' into 'master'

change(docs): Enable Documentation Chatbot only for the master branch

Closes IDF-12686

See merge request espressif/esp-idf!38827

Author: krzychb

docs/en/conf.py

@@ -29,4 +29,7 @@
 
 html_zip = f'esp-idf-{language}-{release}'  # noqa: F405
 
-html_js_files = ['js/chatbot_widget_en.js']
+# The chatbot is able to answer only about the latest documentation.
+# Enable Documentation Chatbot widget only for the master branch.
+if release == 'latest':  # noqa: F405
+    html_js_files = ['js/chatbot_widget_en.js']

docs/zh_CN/conf.py

@@ -29,4 +29,7 @@
 
 html_zip = f'esp-idf-{language}-{release}'  # noqa: F405
 
-html_js_files = ['js/chatbot_widget_cn.js']
+# The chatbot is able to answer only about the latest documentation.
+# Enable Documentation Chatbot widget only for the master branch.
+if release == 'latest':  # noqa: F405
+    html_js_files = ['js/chatbot_widget_cn.js']