Update instrumentation build.gradle

Author: viktoriia-fomina

utbot-instrumentation/build.gradle

@@ -1,3 +1,7 @@
+plugins {
+  id 'maven-publish'
+}
+
 apply from: "${parent.projectDir}/gradle/include/jvm-project.gradle"
 
 dependencies {
@@ -32,4 +36,17 @@ configurations {
 
 artifacts {
     instrumentationArchive jar
-}
+}
+
+publishing {
+  repositories {
+    maven {
+      name = "GitHubPackages"
+      url = "https://maven.pkg.github.com/UnitTestBot/UTBotJava"
+      credentials {
+        username = System.getenv("GITHUB_ACTOR")
+        password = System.getenv("GITHUB_TOKEN")
+      }
+    }
+  }
+}