Update go version of odh/modelmesh-serving pipeline

[israel-hdez]

Upgrade to go1.20, from go1.19.
This is required for Model Mesh v0.12

[openshift-ci-robot]

[REHEARSALNOTIFIER]
@israel-hdez: the pj-rehearse plugin accommodates running rehearsal tests for the changes in this PR. Expand 'Interacting with pj-rehearse' for usage details. The following rehearsable tests have been affected by this change:

Test name	Repo	Type	Reason
pull-ci-opendatahub-io-modelmesh-serving-main-images	opendatahub-io/modelmesh-serving	presubmit	Ci-operator config changed
pull-ci-opendatahub-io-modelmesh-serving-main-pr-image-mirror	opendatahub-io/modelmesh-serving	presubmit	Ci-operator config changed
pull-ci-opendatahub-io-modelmesh-serving-main-unit	opendatahub-io/modelmesh-serving	presubmit	Ci-operator config changed

Interacting with pj-rehearse

Comment: /pj-rehearse to run up to 5 rehearsals
Comment: /pj-rehearse skip to opt-out of rehearsals
Comment: /pj-rehearse {test-name}, with each test separated by a space, to run one or more specific rehearsals
Comment: /pj-rehearse more to run up to 10 rehearsals
Comment: /pj-rehearse max to run up to 25 rehearsals
Comment: /pj-rehearse auto-ack to run up to 5 rehearsals, and add the rehearsals-ack label on success
Comment: /pj-rehearse abort to abort all active rehearsals

Once you are satisfied with the results of the rehearsals, comment: /pj-rehearse ack to unblock merge. When the rehearsals-ack label is present on your PR, merge will no longer be blocked by rehearsals.
If you would like the rehearsals-ack label removed, comment: /pj-rehearse reject to re-block merging.

[spolti]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: israel-hdez, spolti

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• ci-operator/config/opendatahub-io/modelmesh-serving/OWNERS [israel-hdez,spolti]

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[israel-hdez]

/retest

[israel-hdez]

/pj-rehearse pull-ci-opendatahub-io-modelmesh-serving-main-images pull-ci-opendatahub-io-modelmesh-serving-main-unit

[openshift-ci-robot]

@israel-hdez: now processing your pj-rehearse request. Please allow up to 10 minutes for jobs to trigger or cancel.

[israel-hdez]

/pj-rehearse pull-ci-opendatahub-io-modelmesh-serving-main-images pull-ci-opendatahub-io-modelmesh-serving-main-unit

[openshift-ci-robot]

@israel-hdez: now processing your pj-rehearse request. Please allow up to 10 minutes for jobs to trigger or cancel.

[israel-hdez]

/pj-rehearse ack

[openshift-ci-robot]

@israel-hdez: now processing your pj-rehearse request. Please allow up to 10 minutes for jobs to trigger or cancel.

[openshift-ci]

@israel-hdez: all tests passed!

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