set-more-info-link.py, translation-templates/*: add bn, sr, uk translation tags (#7101)

contributing-guides/translation-templates/alias-pages.md

@@ -8,6 +8,7 @@ The templates can be changed when necessary.
 
 [en](#en) •
 [ar](#ar) •
+[bn](#bn) •
 [bs](#bs) •
 [da](#da) •
 [de](#de) •
@@ -28,6 +29,7 @@ The templates can be changed when necessary.
 [ro](#ro) •
 [ru](#ru) •
 [sh](#sh) •
+[sr](#sr) •
 [sv](#sv) •
 [ta](#ta) •
 [th](#th) •
@@ -62,6 +64,11 @@ The templates can be changed when necessary.
 `tldr example`
 ```
 
+---
+### bn
+
+Not translated yet.
+
 ---
 ### bs
 
@@ -274,6 +281,11 @@ Not translated yet.
 
 Not translated yet.
 
+---
+### sr
+
+Not translated yet.
+
 ---
 ### sv