fix: revert removing workaround task `publish`

This reverts commit 89f866d739.

build.gradle.kts

@@ -13,6 +13,12 @@ buildscript {
     }
 }
 
+// Tracking issue https://github.com/semantic-release/semantic-release/issues/963
+tasks.register("publish", DefaultTask::class) {
+    group = "publish"
+    description = "Dummy publish to pass the verification phase of the gradle-semantic-release-plugin"
+}
+
 tasks.register("clean", Delete::class) {
     delete(rootProject.buildDir)
 }