Switch to Project Reactor Aluminium-SR3 release

Author: elizarov

reactive/kotlinx-coroutines-reactor/pom.xml

@@ -60,7 +60,7 @@
             <dependency>
                 <groupId>io.projectreactor</groupId>
                 <artifactId>reactor-bom</artifactId>
-                <version>Aluminium-RELEASE</version>
+                <version>Aluminium-SR3</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>