fix(cmd/gno): pass an ExecContext to MachineOptions in `gno run` #4770

Job	Run time
setup	6s
Run Main (gnodev) / Go Test / test	1m 18s
Run Main (gnodev) / Go Build / generated	8s
Run Main (gnodev) / Go Linter / lint	44s
Run Main (gnofaucet) / Go Build / generated	6s
Run Main (gnofaucet) / Go Linter / lint	34s
Run Main (gnofaucet) / Go Test / test	35s
Run Main (gnokeykc) / Go Build / generated	10s
Run Main (gnokeykc) / Go Linter / lint	39s
Run Main (gnomd) / Go Build / generated	8s
Run Main (gnokeykc) / Go Test / test	41s
Run Main (gnomd) / Go Linter / lint	25s
Run Main (gnomd) / Go Test / test	35s
	6m 9s

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