Merge pull request opendatahub-io#601 from rimolive/rmartine

Set MariaDB and Envoy Proxy with their sha digests

config/base/params.env

@@ -10,7 +10,7 @@ IMAGES_CRDVIEWER=gcr.io/ml-pipeline/viewer-crd-controller:2.0.0-rc.2
 IMAGESV2_ARGO_APISERVER=quay.io/opendatahub/ds-pipelines-api-server:latest
 IMAGESV2_ARGO_PERSISTENCEAGENT=quay.io/opendatahub/ds-pipelines-persistenceagent:latest
 IMAGESV2_ARGO_SCHEDULEDWORKFLOW=quay.io/opendatahub/ds-pipelines-scheduledworkflow:latest
-IMAGESV2_ARGO_MLMDENVOY=registry.redhat.io/openshift-service-mesh/proxyv2-rhel8:2.3.9-2
+IMAGESV2_ARGO_MLMDENVOY=registry.redhat.io/openshift-service-mesh/proxyv2-rhel8@sha256:a744c1b386fd5e4f94e43543e829df1bfdd1b564137917372a11da06872f4bcb
 IMAGESV2_ARGO_MLMDGRPC=quay.io/opendatahub/mlmd-grpc-server:latest
 IMAGESV2_ARGO_MLMDWRITER=quay.io/opendatahub/ds-pipelines-metadata-writer:latest
 IMAGESV2_ARGO_WORKFLOWCONTROLLER=quay.io/opendatahub/ds-pipelines-argo-workflowcontroller:3.3.10-upstream
@@ -19,7 +19,7 @@ V2_LAUNCHER_IMAGE=quay.io/opendatahub/ds-pipelines-launcher:latest
 V2_DRIVER_IMAGE=quay.io/opendatahub/ds-pipelines-driver:latest
 IMAGES_CACHE=registry.access.redhat.com/ubi8/ubi-minimal:8.8
 IMAGES_MOVERESULTSIMAGE=registry.access.redhat.com/ubi8/ubi-micro:8.8
-IMAGES_MARIADB=registry.redhat.io/rhel8/mariadb-103:1
+IMAGES_MARIADB=registry.redhat.io/rhel8/mariadb-103@sha256:3d30992e60774f887c4e7959c81b0c41b0d82d042250b3b56f05ab67fd4cdee1
 IMAGES_OAUTHPROXY=registry.redhat.io/openshift4/ose-oauth-proxy@sha256:ab112105ac37352a2a4916a39d6736f5db6ab4c29bad4467de8d613e80e9bb33
 ZAP_LOG_LEVEL=info
 MAX_CONCURRENT_RECONCILES=10