Updated Gradle to 7.1 and updated Mixins to 0.8.3-SNAPSHOT to fix som…

…e issues with FG5, also changed ForgeGradle to 5.0.14 specifically due to a compatibility issue wih Mixins caused by 5.0.15+.

build.gradle

@@ -2,12 +2,11 @@ buildscript {
     repositories {
         maven {
             name 'Forge'
-            url 'https://files.minecraftforge.net/maven'
+            url 'https://maven.minecraftforge.net'
         }
         maven {
             name 'Sponge'
-            //url 'https://repo.spongepowered.org/repository/maven-public/'
-            url 'https://sizableshrimp.me/maven'
+            url 'https://repo.spongepowered.org/maven'
         }
         maven {
             name 'Gradle'
@@ -16,9 +15,8 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '5.0+', changing: true
-        //classpath group: 'org.spongepowered', name: 'mixingradle', version: '0.7-SNAPSHOT'
-        classpath group: 'org.spongepowered', name: 'mixingradle', version: '0.8-SNAPSHOT'
+        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '5.0.14', changing: true
+        classpath group: 'org.spongepowered', name: 'mixingradle', version: '0.7-SNAPSHOT'
     }
 }
 apply plugin: 'net.minecraftforge.gradle'
@@ -94,7 +92,7 @@ sourceSets.main.resources {
 dependencies {
     minecraft "net.minecraftforge:forge:${project.mc_version}-${project.forge_version}"
 
-    annotationProcessor 'org.spongepowered:mixin:0.8.2:processor'
+    annotationProcessor 'org.spongepowered:mixin:0.8.3-SNAPSHOT:processor'
 
     compileOnly fg.deobf("top.theillusivec4.curios:curios-forge:${project.curios_version}:api")
     runtimeOnly fg.deobf("top.theillusivec4.curios:curios-forge:${project.curios_version}")
@@ -107,6 +105,7 @@ dependencies {
 }
 
 repositories {
+    maven { url = "https://repo.spongepowered.org/maven" }
     maven { url = "https://maven.blamejared.com" }
     maven { url = "https://maven.theillusivec4.top/" }
     maven { url = "https://jcenter.bintray.com/" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists