fix(remote-signer): keep retrying discovery while the cache is empty #5570

Job	Run time
Build binaries for darwin-arm64	3m 22s
Build binaries for linux-cpu-amd64	6m 56s
Build binaries for linux-cpu-arm64	6m 20s
Build binaries for darwin-amd64	11m 55s
Build binaries for linux-gpu-amd64	8m 24s
Build binaries for windows-cpu-amd64	9m 6s
Build binaries for linux-gpu-arm64	7m 39s
Upload artifacts to google bucket	1m 3s
	54m 45s

Provide feedback