[CHIA-504] Add support for external signers (PLEASE SQUASH) #28019

Job	Run time
version / identify version	29s
Build amd64	14m 47s
Build arm64	16m 53s
Publish amd64	53s
Publish arm64	1m 36s
Test debian:bullseye GUI ARM64	1m 37s
Test debian:bullseye GUI Intel	53s
Test debian:bullseye CLI ARM64	38m 15s
Test debian:bullseye CLI Intel	2m 14s
Test debian:bookworm GUI ARM64	1m 36s
Test debian:bookworm GUI Intel	55s
Test debian:bookworm CLI ARM64	39s
Test debian:bookworm CLI Intel	30s
Test ubuntu:focal (20.04) GUI ARM64	3m 29s
Test ubuntu:focal (20.04) GUI Intel	3m 13s
Test ubuntu:focal (20.04) CLI ARM64	1m 16s
Test ubuntu:focal (20.04) CLI Intel	32s
Test ubuntu:jammy (22.04) GUI ARM64	1m 35s
Test ubuntu:jammy (22.04) GUI Intel	1m 1s
Test ubuntu:jammy (22.04) CLI ARM64	40m 28s
Test ubuntu:jammy (22.04) CLI Intel	2m 5s
Test ubuntu:noble (24.04) GUI ARM64	1m 56s
Test ubuntu:noble (24.04) GUI Intel	3m 20s
Test ubuntu:noble (24.04) CLI ARM64	1m 3s
Test ubuntu:noble (24.04) CLI Intel	26s
	2h 21m 41s

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