chore: added source compatibility settings (#127)

Author: Kristjan Kosic

build.gradle

@@ -7,6 +7,9 @@ plugins {
     id 'com.diffplug.gradle.spotless' version '3.27.2'
 }
 
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+
 repositories {
     jcenter()
     mavenCentral()
@@ -40,19 +43,19 @@ uploadArchives {
         mavenDeployer {
             beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
 
-            repository(url: "file://${buildDir}/repo") {}
+            // repository(url: "file://${buildDir}/repo") {}
 
             // repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2") {
             //    authentication(userName: '', password: '')
-            //}
+            // }
 
             //   snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
             //      authentication(userName: ossrhUsername, password: ossrhPassword)
             //  }
 
             pom.project {
                 groupId = 'org.arkecosystem'
-                version = '1.2.8'
+                version = '1.2.9'
                 artifactId = 'crypto'
 
                 name = 'java-crypto'