Merge rust-bitcoin/rust-miniscript#775: Rewrite expression parser to … #2116

Job	Run time
Embedded	1m 29s
Docs - stable toolchain (recent)	34s
Bench - nightly toolchain (recent)	3m 16s
Docs - nightly toolchain (recent)	39s
Format - nightly toolchain	13s
Lint - nightly toolchain (recent)	41s
Integration tests - stable toolchain (26_0)	50s
Test - 1.63.0 toolchain (minimal)	26m 31s
Integration tests - stable toolchain (25_2)	50s
Test - 1.63.0 toolchain (recent)	26m 43s
Test - nightly toolchain (minimal)	15m 26s
Test - stable toolchain (minimal)	16m 14s
Integration tests - stable toolchain (25_1)	49s
Test - stable toolchain (recent)	16m 39s
Test - nightly toolchain (recent)	14m 59s
Integration tests - stable toolchain (25_0)	49s
Integration tests - stable toolchain (24_2)	50s
Integration tests - stable toolchain (24_1)	59s
Integration tests - stable toolchain (24_0_1)	55s
Integration tests - stable toolchain (23_2)	50s
Integration tests - stable toolchain (23_1)	58s
Integration tests - stable toolchain (23_0)	52s
Integration tests - stable toolchain (22_1)	52s
Integration tests - stable toolchain (22_0)	1m 7s
Integration tests - stable toolchain (0_21_2)	1m 7s
Integration tests - stable toolchain (0_20_2)	1m 3s
Integration tests - stable toolchain (0_19_1)	55s
Integration tests - stable toolchain (0_18_1)	1m 8s
Integration tests - stable toolchain (0_17_1)	59s
	2h 19m 17s

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