Add cvs as supported revision_type

This was recently added to swh.model

Test Plan

The hypothesis tests sometimes test this hypothesis

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Migrated from D6128 (view on Phabricator)

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Patch application report for D6128 (id=22165)

Rebasing onto 7113198f...

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commit 26d0bd29a734743507940e0c7d9665d8e607ec9c
Author: Nicolas Dandrimont <nicolas@dandrimont.eu>
Date:   Tue Aug 24 16:12:00 2021 +0200

    Add cvs as supported revision_type

See https://jenkins.softwareheritage.org/job/DSTO/job/tests-on-diff/1371/ for more details.

mentioned in merge request !699 (closed)

Merge request was accepted

approved this merge request

This looked familiar, there is one diff !699 (closed) doing this already. This seems stuck though.

As this one is more complete though, it includes the migration script as well. Let's land it ;)

And thanks.

Rebase

Build is green

Patch application report for D6128 (id=22170)

Rebasing onto 8f1cdf65...

Current branch diff-target is up to date.

Changes applied before test

commit b110d1b69c28c2d41174f1da3f9329f0cf1cbe0b
Author: Nicolas Dandrimont <nicolas@dandrimont.eu>
Date:   Tue Aug 24 16:38:15 2021 +0200

    Add cvs as supported revision_type

See https://jenkins.softwareheritage.org/job/DSTO/job/tests-on-diff/1372/ for more details.

Merge request was merged

closed