Updated to latest concurrency api and RI

Signed-off-by: Steve Millidge <steve.millidge@payara.fish>
diff --git a/appserver/pom.xml b/appserver/pom.xml
index 019e22d..1a89f69 100644
--- a/appserver/pom.xml
+++ b/appserver/pom.xml
@@ -106,8 +106,8 @@
         <tyrus.version>2.0.0-M1</tyrus.version>
 
         <!-- Jakarta Concurrency -->
-        <concurrent-api.version>2.0.0-RC1</concurrent-api.version>
-        <concurrent.version>2.0.0-RC1</concurrent.version>
+        <concurrent-api.version>2.0.0-RC2</concurrent-api.version>
+        <concurrent.version>2.0.0-RC2</concurrent.version>
 
         <!-- Jakarta Interceptors -->
         <jakarta.interceptor-api.version>2.0.0-RC2</jakarta.interceptor-api.version>