SpaceAroundMethodCallOperator makes standard much slower on large files

[JelteF]

The following lines make standardrb run for 6 seconds instead of 3 seconds on a specific file in my codebase: https://github.com/testdouble/standard/blob/baa79c38ad24f987fd1460cf1a86fba2f44c3ede/config/base.yml#L499-L500

The root-cause for this is that in Rubocop versions below 0.88.0 it is an O(n^2) lint (rubocop/rubocop#8348, rubocop/rubocop#8021)

To fix this, either the rule should be disabled or the rubocop version should be updated to 0.88.0.

[searls]

Thank you for the incredibly detailed report! I'm overdue to upgrade our pegged rubocop version so I'll get on that shortly

[searls]

As of yesterday's release of standard@0.5.0, rubocop is bumped to 0.89.1