Update version name and code (#153)

Author: michael-paystack

build.gradle

@@ -64,10 +64,10 @@ ext {
     compileSdkVersion = 29
     minSdkVersion = 16
     targetSdkVersion = 29
-    versionCode = 21
+    versionCode = 22
 
     buildToolsVersion = "29.0.2"
-    versionName = "3.3.0-alpha02"
+    versionName = "3.3.0"
 }
 
 Object getEnvOrDefault(String propertyName, Object defaultValue) {

gradle.properties

@@ -25,7 +25,7 @@ android.useAndroidX=true
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xmx2560m
 GROUP=co.paystack.android
-VERSION_NAME=3.3.0-alpha01
+VERSION_NAME=3.3.0
 POM_DESCRIPTION=Android SDK for Paystack
 POM_URL=https://github.com/PaystackHQ/paystack-android
 POM_SCM_URL=https://github.com/PaystackHQ/paystack-android