Update the version matrix

[mkumatag]

What this PR does / why we need it:

This change contains:

• Add cluster-api 0.x version in the table instead of 0.1 to cover versions like 1.1, 1.2 etc..
• Removed the k8s matrix and pointing to the version published by the cluster-api project

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

/area provider/ibmcloud

1. Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

Release note:

[mkumatag]

/cc @Prajyot-Parab

[netlify]

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[Prajyot-Parab]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mkumatag, Prajyot-Parab

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