client: surface connection errors to callers #3410
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This commit allows blocking clients to receive a more informative error message than "context deadline exceeded", which is especially helpful in tracking down persistent client misconfiguration (such as an invalid TLS certificate, an invalid server that's refusing connections, etc.)
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This commit allows blocking clients to receive a more informative error
message than "context deadline exceeded", which is especially helpful in
tracking down persistent client misconfiguration (such as an invalid TLS
certificate, an invalid server that's refusing connections, etc.)
See: #3406