DEV: Set min_search_term_length to 1 (#12610)

[blake]

DEV: Set min_search_term_length to 1 (#12610)

Japanese languages and the like should have a min_search_term_length of 1.

See: https://meta.discourse.org/t/97359/27

and

https://meta.discourse.org/t/185218/7

diff --git a/config/site_settings.yml b/config/site_settings.yml
index 8c36cc0..f4b3097 100644
--- a/config/site_settings.yml
+++ b/config/site_settings.yml
@@ -1933,10 +1933,10 @@ search:
     client: true
     default: 3
     locale_default:
-      zh_CN: 2
-      zh_TW: 2
-      ko: 2
-      ja: 2
+      zh_CN: 1
+      zh_TW: 1
+      ko: 1
+      ja: 1
   search_tokenize_chinese_japanese_korean: false
   search_prefer_recent_posts: false
   search_recent_posts_size:

GitHub sha: ce251986