Added image for Validated Patterns docs build

[gaurav-nelson]

Based on the comment at #68509 (comment)

I think this needs to go in a seperate PR and get merged, and have the mirror operation run (it runs hourly AFAIK).
Only then will the build pass on this PR's CI.

This will add the build image we need for building Validated Patterns docs site for #68582

[openshift-ci-robot]

[REHEARSALNOTIFIER]
@gaurav-nelson: no rehearsable tests are affected by this change

[hector-vido]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gaurav-nelson, hector-vido

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[openshift-ci]

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