refactor: adopt timeMedian in remaining benchmark timing loops #5751

Job	Run time
Security audit	7s
Lint	7m 26s
TypeScript type check	7m 3s
Rust compile check	1m 3s
Verify dynamic imports	7s
Native host build (macos-latest)	2m 43s
Native host build (ubuntu-latest)	3m 34s
Native host build (windows-2022)	5m 53s
Grammar version parity	5s
Test Node 22 (ubuntu-latest)	10m 25s
Test Node 22 (macos-latest)	13m 1s
Test Node 22 (windows-2022)	14m 56s
Pre-publish benchmark gate	14m 23s
Engine parity (ubuntu-latest)	7m 13s
Engine parity (windows-2022)	13m 27s
Engine parity (macos-latest)	14m 25s
CI Testing Pipeline	4s
	1h 55m 55s

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