Add JFR flags #35

Job	Run time
Select platforms	1s
linux-x64-hs-nopch / build (debug)	1m 45s
linux-x64 / build (debug)	1m 42s
linux-x64-hs-optimized / build (debug)	1m 47s
linux-x64 / build (release)	1m 37s
linux-x64-hs-minimal / build (debug)	1m 39s
linux-x64-hs-zero / build (debug)	1m 46s
linux-x86 / build (debug)	1m 50s
macos-aarch64 / build (debug)	1m 35s
linux-x86 / build (release)	2m 8s
docs / build (debug)	1m 37s
macos-aarch64 / build (release)	1m 51s
macos-x64 / build (debug)	2m 30s
macos-x64 / build (release)	2m 16s
windows-aarch64 / build (debug)	3m 25s
windows-x64 / build (debug)	3m 27s
windows-x64 / build (release)	3m 11s
windows-aarch64 / build (release)	3m 22s
linux-x64	0s
linux-cross-compile	0s
macos-aarch64	0s
linux-x86	0s
macos-x64	0s
windows-x64	0s
Remove bundle artifacts	4s
	37m 33s

Provide feedback