uploadPublicKey
Uploads armored public key material to baseUrl.
Attempts VKS JSON upload first (/vks/v1/upload); falls back to HKP /pks/add when VKS is unavailable or rejects the request.
Parameters
baseUrl
Keyserver base URL.
armoredPublic
UTF-8 armored public key block.
Throws
if both VKS and HKP upload fail.
if armoredPublic is not armored public key material.