[Archery] Bad --benchmark-filter default

[asfimport]

Reporter: Francois Saint-Jacques / @fsaintjacques
Assignee: Francois Saint-Jacques / @fsaintjacques

PRs and other links:

• GitHub Pull Request #4434

_{Note: This issue was originally created as ARROW-5464. Please see the migration documentation for further details.}

[asfimport]

Wes McKinney / @wesm:
Issue resolved by pull request 4434
#4434