Update to forc v0.66.2, fuel-core v0.40. and fuels-rs v0.66.9 #978

Job	Run time
build-forc-doc-sway-libs	36s
contributing-book (docs/contributing-book/src/code)	28s
forc-inline-tests	1m 12s
build-examples	2m 27s
build-sway-lib	3m 2s
	7m 45s

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