Updated UBI and libs sha256

Dockerfile

 ARG BASE_REGISTRY=registry1.dso.mil
 ARG BASE_IMAGE=ironbank/redhat/ubi/ubi8
-ARG BASE_TAG=8.3
+ARG BASE_TAG=8.4
 FROM $BASE_REGISTRY/$BASE_IMAGE:$BASE_TAG
 
 ARG PGDATA=/var/lib/postgresql/data

hardening_manifest.yaml

@@ -14,7 +14,7 @@ tags:
 # Build args passed to Dockerfile ARGs
 args:
   BASE_IMAGE: "redhat/ubi/ubi8"
-  BASE_TAG: "8.3"
+  BASE_TAG: "8.4"
 
 # Docker image labels
 labels:
@@ -56,7 +56,7 @@ resources:
   url: https://download.postgresql.org/pub/repos/yum/12/redhat/rhel-8Server-x86_64/postgresql12-libs-12.5-1PGDG.rhel8.x86_64.rpm
   validation:
     type: sha256
-    value: d1311a3e207f6c854a60e852d94597770ec28fa29452af74a43af40c34996268
+    value: 17ccfd37746f5b4175faa3040f5b3497016518ee5a7f3fbbc716862a398fbb2b
 - filename: postgresql12-contrib.rpm
   url: https://download.postgresql.org/pub/repos/yum/12/redhat/rhel-8Server-x86_64/postgresql12-contrib-12.5-1PGDG.rhel8.x86_64.rpm
   validation: