misc: disable announcements for jreleaser

Author: 0marperez

build-plugins/build-support/src/main/kotlin/aws/sdk/kotlin/gradle/dsl/Publish.kt

@@ -176,6 +176,9 @@ fun Project.configureJReleaser() {
             active = Active.ALWAYS
             armored = true
         }
+        announce {
+            active = Active.NEVER
+        }
         deploy {
             maven {
                 mavenCentral {