[Draft] Implement `rawchainlocksig` and `rawtxlocksig` (#2930) #3561

Job	Run time
lint	58s
lint	58s
CMake-Linux	3m 57s
CMake-Linux	4m 0s
Native-x64-Linux	2m 45s
Native-x64-Linux	2m 45s
CMake-Linux-latest	4m 37s
CMake-Linux-latest	4m 37s
Depends-ARM 32-bit	2m 17s
Depends-ARM 32-bit	2m 17s
Native-x64-Linux-latest	2m 27s
Native-x64-Linux-latest	2m 27s
CMake-macOS	10m 14s
CMake-macOS	10m 14s
Depends-AARCH64	2m 38s
Depends-AARCH64	2m 38s
Native-x64-macOS	7m 54s
Native-x64-macOS	7m 54s
CMake-macOS-latest	5m 6s
CMake-macOS-latest	5m 6s
Native-arm64-macOS-latest	3m 32s
Native-arm64-macOS-latest	3m 32s
Depends-Win64	2m 49s
Depends-Win64	2m 49s
Depends-32-bit + dash	2m 31s
Depends-32-bit + dash	2m 31s
Depends-x86_64 Linux	2m 23s
Depends-x86_64 Linux	2m 23s
Depends-macOS 10.12	2m 37s
Depends-macOS 10.12	2m 37s
ARM 32-bit [GOAL:install]	2m 44s
ARM 32-bit [GOAL:install]	2m 44s
AARCH64 [GOAL:install]	2m 39s
AARCH64 [GOAL:install]	2m 39s
Win64 [GOAL:deploy]	3m 4s
Win64 [GOAL:deploy]	3m 4s
x86_64 Linux [GOAL:install]	2m 50s
x86_64 Linux [GOAL:install]	2m 50s
macOS 10.12 [GOAL:deploy]	2m 21s
macOS 10.12 [GOAL:deploy]	2m 21s
Test-Depends-${{ matrix.config.name }}	0s
Test-Depends-${{ matrix.config.name }}	0s
Native-${{ matrix.config.name }}-tests	0s
Native-${{ matrix.config.name }}-tests	0s
	2h 20m 49s

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