UI: Make links in updater clickable

UI/forms/OBSUpdate.ui

@@ -22,7 +22,7 @@
     </widget>
    </item>
    <item>
-    <widget class="QTextEdit" name="text">
+    <widget class="QTextBrowser" name="text">
      <property name="readOnly">
       <bool>true</bool>
      </property>
@@ -33,6 +33,9 @@ p, li { white-space: pre-wrap; }
 &lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:8.25pt; font-weight:400; font-style:normal;&quot;&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;br /&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
+     <property name="openExternalLinks">
+        <bool>true</bool>
+     </property>
     </widget>
    </item>
    <item>