[Draft] Implement `rawchainlocksig` and `rawtxlocksig` (#2930) #3609

Job	Run time
lint	56s
extended-lint	3m 59s
CMake-Linux	5m 4s
CMake-Linux-latest	4m 31s
Native-x64-Linux	6m 37s
Depends-ARM 32-bit	3m 26s
CMake-macOS	10m 24s
Native-x64-Linux-latest	5m 41s
CMake-macOS-latest	5m 13s
Depends-AARCH64	3m 42s
Native-x64-macOS	10m 26s
Native-arm64-macOS-latest	5m 43s
Depends-Win64	3m 31s
Depends-32-bit + dash	3m 12s
Depends-x86_64 Linux	3m 22s
Depends-macOS 10.12	3m 18s
ARM 32-bit [GOAL:install]	5m 18s
AARCH64 [GOAL:install]	5m 25s
Win64 [GOAL:deploy]	6m 10s
x86_64 Linux [GOAL:install]	5m 52s
macOS 10.12 [GOAL:deploy]	4m 53s
Test-Depends-${{ matrix.config.name }}	0s
Native-${{ matrix.config.name }}-tests	0s
	1h 46m 43s

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