update ubi image (#122)

Author: amritkandola-1

Dockerfile-server

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 ARG BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal
-ARG BASE_TAG=8.2-349
+ARG BASE_TAG=8.3-201
 ARG GO_WORKDIR=/go/src/github.com/ibm-messaging/mq-container
 ARG MQ_URL="https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/messaging/mqadv/9.2.0.0-IBM-MQ-Advanced-for-Developers-Non-Install-LinuxX64.tar.gz"
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