Update tox.ini && conf.py file

Performed-by: gitea/infra/otc-metadata/tools/generate_doc_confpy.py

api-ref/source/conf.py

@@ -78,7 +78,7 @@ html_theme = 'otcdocs'
 # further. For a list of options available for each theme, see the
 # documentation.
 html_theme_options = {
-    "disable_search": "True",
+    "disable_search": True,
     "site_name": "Internal Documentation Portal",
     "logo_url": "https://docs-int.otc-service.com",
 }

umn/source/conf.py

@@ -78,7 +78,7 @@ html_theme = 'otcdocs'
 # further. For a list of options available for each theme, see the
 # documentation.
 html_theme_options = {
-    "disable_search": "True",
+    "disable_search": True,
     "site_name": "Internal Documentation Portal",
     "logo_url": "https://docs-int.otc-service.com",
 }