Prepare release 4.2.0 (#1050)

As title

Co-authored-by: M M Arif <mmarif@swatian.com>
Reviewed-on: https://codeberg.org/gitnex/GitNex/pulls/1050

app/src/main/res/xml/changelog.xml

@@ -2,7 +2,12 @@
 <changelog>
 
     <release version="4.2.0" versioncode="420">
-        <change>Under development</change>
+        <change>Create/delete/list tags</change>
+        <change>Hide repository actions for non admins</change>
+        <change>New files diff viewer</change>
+        <change>Show users who reacted to issue/pr/comment</change>
+        <change>Redesigned organization Teams</change>
+        <change>Notice: GitNex 4.3.0 will drop support for Android 5. Going forward 5.0.0 will drop for Android 6</change>
     </release>
 
 </changelog>

fastlane/metadata/android/en-US/changelogs/420.txt

@@ -0,0 +1,15 @@
+4.2.0
+
+New: Create/delete/list tags
+New: Hide repository actions for non admins
+New: New files diff viewer
+New: Show users who reacted to issue/pr/comment
+New: Redesigned organization Teams
+Improvement: Enhance account manager
+⚠️ Notice: GitNex 4.3.0 will drop support for Android 5. Going forward 5.0.0 will drop for Android 6 ⚠️
+
+Release Notes: https://codeberg.org/gitnex/GitNex/releases
+
+Release Video: https://youtu.be/mxkE-x64iXs
+
+Release Blog: https://gitnex.codeberg.page/posts/420.html