[ci] Update docker image versions to pull before test run

scripts/before_test.sh

@@ -10,8 +10,8 @@ check_env REGISTRY
 IMAGES=(
     "${REGISTRY}/beat/beat.env.system.python:1.3.0r3"
     "${REGISTRY}/beat/beat.env.db.examples:1.4.0r3"
-    "${REGISTRY}/beat/beat.env.cxx:2.0.0r0"
-    "${REGISTRY}/beat/beat.env.client:2.0.0r0"
+    "${REGISTRY}/beat/beat.env.cxx:2.0.0r1"
+    "${REGISTRY}/beat/beat.env.client:2.0.0r1"
     )
 check_array_env IMAGES