Use zcash_script’s new `Script` trait #1817

Job	Run time
Build CD Docker	0s
Versioning	0s
Get disk name / Get cached disk	6s
Test CD testnet Docker config file	0s
Test CD default Docker config file	0s
Test CD custom Docker config file	0s
Deploy single ${{ inputs.network }} instance	0s
Deploy ${{ matrix.network }} nodes	0s
Open or update issues for release failures	0s
	6s

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