feat(l10n): update Serbian translation from Weblate

translations/sr.ts

@@ -173,17 +173,17 @@ which may lead to problems with video calls.</source>
     <message>
         <source>bug-tracker</source>
         <comment>Replaces `%1` in the `A list of all known…`</comment>
-        <translation type="unfinished">буболовцу</translation>
+        <translation>буболовцу</translation>
     </message>
     <message>
         <source>Writing Useful Bug Reports</source>
         <comment>Replaces `%2` in the `A list of all known…`</comment>
-        <translation type="unfinished">„Писање корисних пријава грешака“</translation>
+        <translation>„Писање корисних пријава грешака“</translation>
     </message>
     <message>
         <source>contributors</source>
         <comment>Replaces `%1` in `See a full list of…`</comment>
-        <translation type="unfinished">доприносиоца</translation>
+        <translation>доприносиоца</translation>
     </message>
 </context>
 <context>
@@ -2241,7 +2241,7 @@ This ID includes the NoSpam code (in blue), and the checksum (in gray).</source>
     </message>
     <message>
         <source>Tox user names cannot exceed %1 characters.</source>
-        <translation type="unfinished"></translation>
+        <translation>Корисничка имена за Tox не смеју премашити %1 знакова.</translation>
     </message>
 </context>
 <context>