chore: fix annotation packaging (#3104)

Author: tylerjroach

annotations/build.gradle.kts

@@ -18,6 +18,11 @@ plugins {
     id("maven-publish")
 }
 
+java {
+    withSourcesJar()
+    withJavadocJar()
+}
+
 apply(from = rootProject.file("configuration/publishing.gradle"))
 
 group = properties["POM_GROUP"].toString()