fix: update foxy for Boost 1.90 compatibility and unpin macOS Boost #2671

Job	Run time
contract-tests-curl	3m 20s
build-test-client-mac	4m 40s
contract-tests	3m 13s
build-test-curl	6m 13s
build-test-client-mac-curl	4m 57s
build-test-client-windows	15m 13s
build-test-client-windows-curl	15m 16s
build-test	6m 9s
	59m 1s

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