edge-repos: add new GPG key #57

Job	Run time
Warning-only license check does not break the build	2m 16s
Toolchain package rebuild fails	2m 26s
Simple package build fails	2m 31s
Fatal license check fails	2m 31s
Fatal license check succeeds on duplicated license as documentation	2m 36s
None license check does not break the build	2m 31s
Toolchain package rebuild succeeds	2m 23s
Simple package build succeeds	2m 27s
Pedantic license check fails	2m 32s
	22m 13s

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