Merge rust-bitcoin/rust-miniscript#677: Fix compilation of pk()-only … #2035

Job	Run time
Bench - nightly toolchain (recent)	55s
Docs - nightly toolchain (recent)	27s
Embedded	1m 34s
Docs - stable toolchain (recent)	22s
Format - nightly toolchain	13s
Integration tests - stable toolchain (26_0)	49s
Lint - nightly toolchain (recent)	31s
Test - 1.63.0 toolchain (minimal)	24m 57s
Integration tests - stable toolchain (25_2)	47s
Test - nightly toolchain (minimal)	14m 27s
Test - 1.63.0 toolchain (recent)	26m 9s
Integration tests - stable toolchain (25_1)	54s
Test - nightly toolchain (recent)	14m 8s
Integration tests - stable toolchain (25_0)	49s
Test - stable toolchain (minimal)	17m 32s
Integration tests - stable toolchain (24_2)	49s
Test - stable toolchain (recent)	17m 45s
Integration tests - stable toolchain (24_1)	54s
Integration tests - stable toolchain (24_0_1)	48s
Integration tests - stable toolchain (23_2)	1m 7s
Integration tests - stable toolchain (23_1)	49s
Integration tests - stable toolchain (23_0)	1m 6s
Integration tests - stable toolchain (22_1)	48s
Integration tests - stable toolchain (22_0)	1m 5s
Integration tests - stable toolchain (0_21_2)	50s
Integration tests - stable toolchain (0_20_2)	1m 0s
Integration tests - stable toolchain (0_19_1)	1m 3s
Integration tests - stable toolchain (0_18_1)	52s
Integration tests - stable toolchain (0_17_1)	1m 2s
	2h 14m 32s

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