feat: Upgrade to build gradle 7.0.2

build.gradle

@@ -1,26 +1,29 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.61'
+    ext.kotlin_version = '1.5.30'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
 
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.android.tools.build:gradle:7.0.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "io.codearte.gradle.nexus:gradle-nexus-staging-plugin:0.21.2"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
 }
 
+plugins {
+    id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
+    id("org.jetbrains.dokka") version "1.5.0"
+}
+
 allprojects {
     repositories {
         google()
-        jcenter()
-
+        mavenCentral()
     }
 }
 
@@ -28,4 +31,4 @@ task clean(type: Delete) {
     delete rootProject.buildDir
 }
 
-apply plugin: 'io.codearte.nexus-staging'
+apply from: "${rootDir}/scripts/publish-root.gradle"