feat: include signer messages in Stacks predicate payloads #1569

Job	Run time
test (cli, redis_tests)	11m 57s
distributions (ubuntu-latest, linux, x86_64-unknown-linux-gnu, x64, glibc)	1m 35s
test (sdk, stacks-signers)	3m 35s
distributions (windows-latest, windows, x86_64-pc-windows-msvc, x64)	8m 5s
distributions (macos-latest, darwin, x86_64-apple-darwin, x64)	1m 42s
distributions (macos-latest, darwin, aarch64-apple-darwin, arm64)	2m 7s
semantic-release	1s
build-publish	1s
auto-approve-dev	1s
deploy-dev	1s
deploy-staging	1s
auto-approve-stg	1s
deploy-prod	1s
	29m 8s

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