Update release to 9.3.0.5-r3 (June)

JEFFLUFC · JEFFLUFC · commit 09427ff5e8fc · 2023-05-24T17:45:14.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -27,7 +27,7 @@ env:
   global:
     - MAIN_BRANCH=v9.3.0.x
     - TAGCACHE_FILE=tagcache
-    - RELEASE=r2
+    - RELEASE=r3
 
 go_import_path: "github.com/ibm-messaging/mq-container"
 
