Update dependency execa to v9 #2518

Job	Run time
lint / branch	31s
validate / branch	24s
upload / shell	31s
upload / win	9m 23s
upload / macos	1m 9s
upload / npm	45s
upload / tarball (linux-arm64)	1m 52s
upload / tarball (linux-x64)	2m 3s
upload / tarball (darwin-x64)	1m 48s
upload / tarball (win32-x64)	1m 38s
upload / tarball (linux-arm)	1m 56s
upload / tarball (win32-x86)	1m 38s
upload / tarball (darwin-arm64)	1m 51s
e2e-tests / tarball (darwin-arm64, macos-latest-xlarge)	26s
github-actions-tests / get	23s
integration-tests / standalone-shell (ubuntu-latest)	46s
integration-tests / macos	1m 49s
integration-tests / win	3m 58s
integration-tests / brew (macos-latest)	1m 46s
integration-tests / tarball (darwin-x64, macos-latest)	2m 4s
integration-tests / cicd-shell (ubuntu-latest)	57s
integration-tests / proxy	36s
integration-tests / tarball (win32-x64, windows-latest)	6m 7s
integration-tests / cicd-shell (macos-latest)	1m 0s
integration-tests / cicd-shell (windows-latest)	4m 19s
integration-tests / tarball (linux-x64, ubuntu-latest)	47s
integration-tests / standalone-shell (macos-latest)	1m 17s
integration-tests / npm	1m 8s
github-actions-tests / web-test-run	1m 11s
github-actions-tests / mobile-build-upload	25s
github-actions-tests / mobile-test-run	36s
approved	3s
	55m 7s

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