:Review: Add reason for nolint directive

Signed-off-by: Manoranjith <[email protected]>

pkg/io/serialize.go

@@ -31,7 +31,8 @@ var byteOrder = binary.LittleEndian
 
 // Encode encodes multiple primitive values into a writer.
 // All passed values must be copies, not references.
-func Encode(writer io.Writer, values ...interface{}) (err error) { //nolint: cyclop
+func Encode(writer io.Writer, values ...interface{}) (err error) { //nolint: cyclop // by design,
+	// encode function has many paths. Hence, we accept a higher complexity  here.
 	for i, value := range values {
 		switch v := value.(type) {
 		case bool, int8, uint8, int16, uint16, int32, uint32, int64, uint64: