Migrate to pnpm #26492

Job	Run time
Cancel Previous Runs	7s
Engine (GraalVM CE) (linux, x86_64)	24m 57s
Engine (GraalVM CE) (macos, x86_64)	1h 1m 49s
Engine (GraalVM CE) (windows, x86_64)	30m 32s
JVM Tests (GraalVM CE) (linux, x86_64)	26m 28s
JVM Tests (GraalVM CE) (macos, x86_64)	59m 28s
JVM Tests (GraalVM CE) (windows, x86_64)	46m 34s
Standard Library Tests (GraalVM CE) (linux, x86_64)	25m 29s
Standard Library Tests (GraalVM CE) (macos, x86_64)	57m 20s
Verify License Packages (linux, x86_64)	2m 27s
Standard Library Tests (GraalVM CE) (windows, x86_64)	33m 32s
	6h 8m 43s

Provide feedback