docs(readme): adding new release archive

[krisnova]

Signed-off-by: Kris Nova kris@nivenly.com

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What this PR does / why we need it:

Which issue(s) this PR fixes:

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Does this PR introduce a user-facing change?:

docs: add new release archive to the `README.md`

[poiana]

LGTM label has been added.

Git tree hash: 338a504b2df1a8817872c3a9ee053d11eff427f8

[leodido]

/hold

waiting until the release 0.21.0 is cut

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fntlnz, leodido

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[leodido]

/hold cancel