Add missing links in releases.md

[afrittoli]

Changes

Add missing links in releases.md

Signed-off-by: Andrea Frittoli [email protected]

/kind documentation

Submitter Checklist

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• Has Docs included if any changes are user facing
• Has Tests included if any functionality added or changed
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Release Notes

NONE

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dibyom

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[abayer]

/lgtm