Translations update from Weblate (#2011)

Co-authored-by: Bruno Arakaki <brn.arakaki@gmail.com>
Co-authored-by: Katarzyna Sobolewska <kasia.sobolewska1@gmail.com>
Co-authored-by: ssantos <ssantos@web.de>
Co-authored-by: aquilesi8 <adamdavies7@protonmail.com>
Co-authored-by: koffevar <egor.kafisov@gmail.com>
Co-authored-by: Nathan <bonnemainsnathan@gmail.com>
Co-authored-by: Yaron Shahrabani <sh.yaron@gmail.com>
Co-authored-by: Oğuz Ersen <oguzersen@protonmail.com>
Co-authored-by: David Ordás <davorpatech@gmail.com>
Co-authored-by: iglv <ilv0609@gmail.com>
Co-authored-by: Kevin Papst <kpapst@gmx.net>

translations/plugins.he.xlf

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version='1.0' encoding='UTF-8'?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" version="1.2">
   <file source-language="en" target-language="he" datatype="plaintext" original="plugins.en.xlf">
     <header>
@@ -15,7 +15,7 @@
       </trans-unit>
       <trans-unit id="plugin.none_installed">
         <source>plugin.none_installed</source>
-        <target>לא קיימות תוספות מותקנות</target>
+        <target>לא הותקנו תוספות.</target>
       </trans-unit>
       <trans-unit id="plugin.marketplace">
         <source>plugin.marketplace</source>