Update essentials [3.0.0-RC1 -> 3.0.0].

Author: greenrobot-team

build.gradle

@@ -19,6 +19,7 @@ buildscript {
                 : 'unsupported'
         ob_native_dep = "io.objectbox:objectbox-$objectboxPlatform:$nativeVersion"
 
+        essentials_version = '3.0.0'
         junit_version = '4.13'
         mockito_version = '3.3.3'
         kotlin_version = '1.4.0'

objectbox-java/build.gradle

@@ -10,7 +10,7 @@ ext {
 
 dependencies {
     api project(':objectbox-java-api')
-    implementation 'org.greenrobot:essentials:3.0.0-RC1'
+    implementation "org.greenrobot:essentials:$essentials_version"
     implementation 'com.google.flatbuffers:flatbuffers-java:1.12.0'
     api 'com.google.code.findbugs:jsr305:3.0.2'
 

tests/objectbox-java-test/build.gradle

@@ -23,7 +23,7 @@ repositories {
 
 dependencies {
     implementation project(':objectbox-java')
-    implementation 'org.greenrobot:essentials:3.0.0-RC1'
+    implementation "org.greenrobot:essentials:$essentials_version"
 
     // Check flag to use locally compiled version to avoid dependency cycles
     if (!project.hasProperty('noObjectBoxTestDepencies') || !noObjectBoxTestDepencies) {