Update version to v3.3

.gitignore

@@ -6,6 +6,7 @@
 /.idea/dictionaries
 /.idea/modules.xml
 /.idea/misc.xml
+/.idea/discord.xml
 /.idea/workspace.xml
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml

app/build.gradle

@@ -14,8 +14,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 32
-		versionCode 408
-		versionName '3.3-beta1'
+		versionCode 409
+		versionName '3.3'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"