Add `ExpandDerive` handler #7601

Job	Run time
build test linux x86-64	3m 29s
build test windows x86-64	7m 9s
check-rust	1m 47s
check-website	10s
scarb-metadata compatibility check	39s
doc tests	3m 4s
test linux x86-64 1/8	15m 47s
test linux x86-64 2/8	17m 43s
test linux x86-64 3/8	13m 55s
test linux x86-64 4/8	13m 35s
test linux x86-64 5/8	11m 10s
test linux x86-64 6/8	9m 57s
test linux x86-64 7/8	9m 44s
test linux x86-64 8/8	10m 32s
test windows x86-64 1/8	14m 19s
test windows x86-64 2/8	16m 6s
test windows x86-64 3/8	14m 6s
test windows x86-64 4/8	11m 53s
test windows x86-64 5/8	11m 15s
test windows x86-64 6/8	9m 27s
test windows x86-64 7/8	9m 49s
test windows x86-64 8/8	10m 18s
	3h 35m 54s

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