more-info-link: update japanese (#15502)

contributing-guides/translation-templates/more-info-link.md

@@ -169,7 +169,7 @@ The templates can be changed when necessary, but if so, it needs to be updated h
 ### ja
 
 ```markdown
-> 詳しくはこちら: <https://example.com>
+> もっと詳しく: <https://example.com>。
 ```
 
 ---

scripts/set-more-info-link.py

@@ -78,7 +78,7 @@ labels = {
     "hi": "अधिक जानकारी:",
     "id": "Informasi lebih lanjut:",
     "it": "Maggiori informazioni:",
-    "ja": "詳しくはこちら:",
+    "ja": "もっと詳しく:",
     "ko": "더 많은 정보:",
     "lo": "ຂໍ້ມູນເພີ່ມເຕີມ:",
     "ml": "കൂടുതൽ വിവരങ്ങൾ:",
@@ -146,7 +146,9 @@ def set_link(
     # build new line
     if locale in ["bn", "hi", "ne"]:
         new_line = f"> {labels[locale]} <{link}>।\n"
-    elif locale in ["ja", "th"]:
+    elif locale in ["ja"]:
+        new_line = f"> {labels[locale]} <{link}>。\n"
+    elif locale in ["th"]:
         new_line = f"> {labels[locale]} <{link}>\n"
     elif locale in ["zh", "zh_TW"]:
         new_line = f"> {labels[locale]}<{link}>.\n"