main
*: re-generate pb file by google.golang.org/protobuf
etcdserverpb: drop gogoproto.nullable
Drop marshaler_all, unmarshaler_all, sizer_all gogo options
enable linter for deprecated functions
fix: use testify instead of t.Fatal or t.Error in api package
etcdserverpb: add RangeStream RPC to the KV service
fix golangci-lint path, genproto, go.work.sum
*: switch to new protobuf struct