Updates: target sdk version to 31

Author: AjeshRPai

build.gradle

@@ -66,7 +66,7 @@ ext {
     jSoupVersion = '1.11.3'
     wordpressUtilsVersion = 'trunk-1ed207c03d2242b6fc3d74f9e388e9163cbc82a6'
     espressoVersion = '3.0.1'
-    commonTargetSdkVersion = 30
+    commonTargetSdkVersion = 31
     commonMinSdkVersion = 21
 
     aztecProjectDependency = project.hasProperty("aztecVersion") ? "org.wordpress:aztec:${project.getProperty("aztecVersion")}" : project(":aztec")