Update Base to v1.16.0 and kubectl to v1.21.12

tests/images.txt

 registry:2
 registry1.dso.mil/ironbank/big-bang/base:8.4
-registry1.dso.mil/ironbank/big-bang/base:1.2.0
-registry1.dso.mil/ironbank/opensource/kubernetes-1.21/kubectl:v1.21.5
+registry1.dso.mil/ironbank/big-bang/base:1.16.0
+registry1.dso.mil/ironbank/opensource/kubernetes-1.21/kubectl:v1.21.12
 registry.il2.dso.mil/platform-one/devops/pipeline-templates/pipeline-job/sonar-scanner-dotnet31:4.10
 registry.il2.dso.mil/platform-one/devops/pipeline-templates/pipeline-job/sonar-scanner:4.5.0.2216
 registry.il2.dso.mil/platform-one/devops/pipeline-templates/pipeline-job/git-kustomize203-skopeo12:8.2.276.test

tests/test-values.yaml

@@ -530,7 +530,6 @@ tempo:
           cypress_check_datasource: 'true'
           cypress_grafana_url: 'https://grafana.bigbang.dev'
       scripts:
-        image: registry1.dso.mil/ironbank/big-bang/base:1.2.0
         envs:
           TEMPO_METRICS_URL: 'http://tempo-tempo.tempo.svc:3100'
 
@@ -1020,7 +1019,7 @@ addons:
       account:
         adminPassword: new_admin_password
         currentAdminPassword: admin
-      curlContainerImage: registry1.dso.mil/ironbank/big-bang/base:8.4
+      curlContainerImage: registry1.dso.mil/ironbank/big-bang/base:1.16.0
 
   minioOperator:
     enabled: false