Append witness script for P2WSH in `Plan::satisfy()` #2478

Job	Run time
Lint - nightly toolchain (recent)	42s
Embedded	1m 38s
Docs - stable toolchain	39s
Test - stable toolchain (recent)	11m 12s
Test - stable toolchain (minimal)	11m 2s
Bench - nightly toolchain	3m 30s
Test - 1.63.0 toolchain (recent)	20m 35s
Test - nightly toolchain (minimal)	11m 28s
Test - 1.63.0 toolchain (minimal)	20m 52s
Test - nightly toolchain (recent)	11m 57s
Format - nightly toolchain	28s
Docs - nightly toolchain	27s
Integration tests - stable toolchain (25_2)	3m 23s
Integration tests - stable toolchain (27_2)	3m 3s
Integration tests - stable toolchain (24_2)	2m 58s
Integration tests - stable toolchain (28_2)	2m 53s
Integration tests - stable toolchain (26_2)	3m 4s
Integration tests - stable toolchain (0_19_1)	2m 58s
Integration tests - stable toolchain (29_0)	3m 11s
Integration tests - stable toolchain (22_1)	3m 11s
Integration tests - stable toolchain (0_21_2)	3m 6s
Integration tests - stable toolchain (0_17_2)	3m 12s
Integration tests - stable toolchain (23_2)	2m 48s
Integration tests - stable toolchain (0_20_2)	2m 48s
Integration tests - stable toolchain (0_18_1)	3m 7s
	2h 14m 12s

Provide feedback