Set rsocketVersion to 1.0.+

Closes gh-9006

gradle/dependency-management.gradle

@@ -13,7 +13,7 @@ if (!project.hasProperty("kotlinVersion")) {
 	ext.kotlinVersion = "1.+"
 }
 if (!project.hasProperty("rsocketVersion")) {
-	ext.rsocketVersion = "1.+"
+	ext.rsocketVersion = "1.0.+"
 }
 if (!project.hasProperty("locksDisabled")) {
 	dependencyLocking {