Excavator: Update policy-bot config (#4699)
Excavator: Update policy-bot config (#4699)

Co-authored-by: svc-excavator-bot <4450c98737d02bb402ce6664bc16f34f6c82a40e@palantir.com>
palantir/atlasdb,EvilMcJerkface/atlasdb,palantir/atlasdb,palantir/atlasdb,EvilMcJerkface/atlasdb,EvilMcJerkface/atlasdb