Update docs with references to release-0.8

[Amulyam24]

What this PR does / why we need it:
Update docs with references to release-0.8

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:

Update docs with references to release-0.8

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[Amulyam24]

TO-DO: request netlify for new URL

[Amulyam24]

/hold

[mkumatag]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Amulyam24, mkumatag

The full list of commands accepted by this bot can be found here.

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• OWNERS [mkumatag]

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[mkumatag]

TO-DO: request netlify for new URL

any update on this? @Amulyam24 @Prajyot-Parab who will be approaching to community for this one?

[Amulyam24]

TO-DO: request netlify for new URL

any update on this? @Amulyam24 @Prajyot-Parab who will be approaching to community for this one?

@mkumatag, already created a request - kubernetes/org#4983, waiting for action be taken.

[k8s-ci-robot]

New changes are detected. LGTM label has been removed.

[Prajyot-Parab]

/easycla