Juraj Linkeš [off-list ref] writes:

Use only the newer Graviton2 environment in Travis CI instead of using
the older platform, which has intermittent issues:
1. collect2: fatal error: ld terminated with signal 9 [Killed]
2. ticketlock_autotest sometimes times out

These failures hint at resource availability issues in container
environments. The Graviton2 environment is using VMs and these failures
are not observed in it.

Signed-off-by: Juraj Linkeš <redacted>
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Acked-by: Aaron Conole <aconole@redhat.com>