✅ Mark assert_linear_performance test as pending #562

Job	Run time
ruby-versions / Generate Ruby versions	2s
build (2.6 / ubuntu-latest)	55s
build (2.6 / macos-latest)	1m 39s
build (2.7 / ubuntu-latest)	58s
build (2.7 / macos-latest)	3m 15s
build (3.0 / ubuntu-latest)	40s
build (3.0 / macos-latest)	53s
build (3.1 / ubuntu-latest)	35s
build (3.1 / macos-latest)	2m 6s
build (3.2 / ubuntu-latest)	26s
build (3.2 / macos-latest)	41s
build (head / ubuntu-latest)	32s
build (head / macos-latest)	1m 28s
	14m 10s

Provide feedback