Flake: Go `TestMaxMatches`

Created by: courier-new

• Name of test: TestMaxMatches (cmd/searcher/search/search_regex_test.go:424)
• Example failure: https://buildkite.com/sourcegraph/sourcegraph/builds/100501#ac81baa7-c406-47c9-94b4-813361f2b039
• PR: https://github.com/sourcegraph/sourcegraph/pull/22561

Additional details

search_regex_test.go:462: expected limitHit on regexSearch