Update fuzzers build.gradle

Author: viktoriia-fomina

utbot-fuzzers/build.gradle

@@ -1,3 +1,7 @@
+plugins {
+  id 'maven-publish'
+}
+
 apply from: "${parent.projectDir}/gradle/include/jvm-project.gradle"
 
 dependencies {
@@ -9,3 +13,16 @@ dependencies {
 compileJava {
     options.compilerArgs = []
 }
+
+publishing {
+  repositories {
+    maven {
+      name = "GitHubPackages"
+      url = "https://maven.pkg.github.com/UnitTestBot/UTBotJava"
+      credentials {
+        username = System.getenv("GITHUB_ACTOR")
+        password = System.getenv("GITHUB_TOKEN")
+      }
+    }
+  }
+}