Cherry-pick a8da75c, f10945b and 0e775db

[hbelmiro]

This PR cherry-picks the following changes:

• Trimmed certificates before checking them #742
• Bump DSPO test suite to KFP 2.10.0 #745
• Added retry for integration test #737

[openshift-ci]

Skipping CI for Draft Pull Request.
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You can still manually trigger a test run with /test all

[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-748
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 git@github.com:opendatahub-io/data-science-pipelines-operator.git
cd data-science-pipelines-operator/
git fetch origin pull/748/head
git checkout -b pullrequest 51277adb7cb480dd91940890fd46e59cc92513e2
oc new-project opendatahub
make deploy IMG="quay.io/opendatahub/data-science-pipelines-operator:pr-748"

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