Updating gradle and removing retrolambda

Author: leandroBorgesFerreira

build.gradle

@@ -1,5 +1,4 @@
 plugins {
-    id "me.tatarka.retrolambda" version "3.7.1"
     id 'java-library'
     id 'io.github.gradle-nexus.publish-plugin' version '1.1.0'
     id 'com.diffplug.spotless' version '5.14.0'
@@ -37,10 +36,6 @@ dependencies {
     api 'net.sourceforge.streamsupport:streamsupport-cfuture:1.7.0'
 }
 
-retrolambda {
-    javaVersion JavaVersion.VERSION_1_7
-}
-
 def localProperties = new Properties()
 def localPropertiesFile = project.rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists