Update stable to v2.7.0

[HumairAK]

Update stable to v2.7.0

stable..v2.7.x changeset:

https://github.com/humairak/data-science-pipelines-operator/compare/stable..v2.7.x

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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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-722
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/722/head
git checkout -b pullrequest 998859f4b22bbbbb0a52adaf271f1037c978ba9d
oc new-project opendatahub
make deploy IMG="quay.io/opendatahub/data-science-pipelines-operator:pr-722"

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