Increment version to 0.4.2

Author: toasterofbread

shared/src/commonMain/resources/assets/values/strings.xml

@@ -11,8 +11,8 @@
             - AUR package
             - dev.toastbits.spmp.metainfo.xml
     -->
-    <string name="version_string" translatable="false">0.4.1</string>
-    <string name="version_code" translatable="false">21</string>
+    <string name="version_string" translatable="false">0.4.2</string>
+    <string name="version_code" translatable="false">22</string>
 
     <string name="app_name" translatable="false">SpMp</string>
     <string name="app_name_debug" translatable="false">SpMp (debug)</string>