feat: define Artillery + Playwright tests fully in TypeScript #2020

Job	Run time
generate-matrix-with-packages	6s
test-windows	7m 55s
test (20.x, artillery)	5m 40s
test (20.x, artillery-engine-playwright)	1m 26s
test (20.x, artillery-engine-posthog)	44s
test (20.x, artillery-plugin-apdex)	1m 4s
test (20.x, artillery-plugin-ensure)	1m 43s
test (20.x, artillery-plugin-expect)	1m 15s
test (20.x, artillery-plugin-fake-data)	40s
test (20.x, artillery-plugin-memory-inspector)	1m 21s
test (20.x, artillery-plugin-metrics-by-endpoint)	1m 6s
test (20.x, artillery-plugin-publish-metrics)	45s
test (20.x, artillery-plugin-slack)	41s
test (20.x, @artilleryio/int-commons)	54s
test (20.x, @artilleryio/int-core)	5m 55s
test (20.x, skytrace)	52s
test (20.x, @artilleryio/types)	53s
test (22.x, artillery)	5m 38s
test (22.x, artillery-engine-playwright)	1m 24s
test (22.x, artillery-engine-posthog)	42s
test (22.x, artillery-plugin-apdex)	1m 10s
test (22.x, artillery-plugin-ensure)	1m 44s
test (22.x, artillery-plugin-expect)	1m 16s
test (22.x, artillery-plugin-fake-data)	37s
test (22.x, artillery-plugin-memory-inspector)	1m 24s
test (22.x, artillery-plugin-metrics-by-endpoint)	1m 9s
test (22.x, artillery-plugin-publish-metrics)	42s
test (22.x, artillery-plugin-slack)	42s
test (22.x, @artilleryio/int-commons)	43s
test (22.x, @artilleryio/int-core)	5m 51s
test (22.x, skytrace)	51s
test (22.x, @artilleryio/types)	53s
	57m 46s

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