Update params.env to latest 1.6 dsp images.

[HumairAK]

Images for v1.6.2

[openshift-ci]

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[dsp-developers]

A new image has been built to help with testing out this PR: quay.io/opendatahub/data-science-pipelines-operator:pr-576
An OCP cluster where you are logged in as cluster admin is required.

To use this image run the following:

cd $(mktemp -d)
git clone [email protected]:opendatahub-io/data-science-pipelines-operator.git
cd data-science-pipelines-operator/
git fetch origin pull/576/head
git checkout -b pullrequest 0a7d155e857256b939acd0adc3899c79f86b42b1
oc new-project opendatahub
make deploy IMG="quay.io/opendatahub/data-science-pipelines-operator:pr-576"

More instructions here on how to deploy and test a Data Science Pipelines Application.