Allow custom `kid` to be set in JWS #4600

Job	Run time
check-for-run-condition	1s
check-for-modification	6s
build-wasm / build-wasm (ubuntu-latest)	3m 55s
build-and-test (ubuntu-latest)	4m 22s
build-and-test (macos-latest)	4m 18s
build-and-test (windows-latest)	4m 16s
test-wasm (ubuntu-latest)	27s
	17m 25s

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