update github.com/plgd-dev/go-coap/v2 v2.3.1-0.20210204203130-38a043760811

Author: jkralik

go.mod

@@ -18,7 +18,7 @@ require (
 	github.com/panjf2000/ants/v2 v2.4.3
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/pion/dtls/v2 v2.0.1-0.20200503085337-8e86b3a7d585
-	github.com/plgd-dev/go-coap/v2 v2.3.1-0.20210203214927-8dcfd2da7e6f
+	github.com/plgd-dev/go-coap/v2 v2.3.1-0.20210204203130-38a043760811
 	github.com/stretchr/testify v1.5.1
 	github.com/ugorji/go/codec v1.1.7
 	github.com/valyala/fasthttp v1.12.0

go.sum

@@ -102,6 +102,8 @@ github.com/plgd-dev/go-coap/v2 v2.1.4-0.20201201213140-b8c428d8fccf h1:am6M4meMU
 github.com/plgd-dev/go-coap/v2 v2.1.4-0.20201201213140-b8c428d8fccf/go.mod h1:DccQmYY6swDlNlOCQOAX+SXTI9laSfGytskmeeNWmms=
 github.com/plgd-dev/go-coap/v2 v2.3.1-0.20210203214927-8dcfd2da7e6f h1:cCOPIuKfBHRM0BYtYjXws+98uWH4Zo16SHY05+E4deA=
 github.com/plgd-dev/go-coap/v2 v2.3.1-0.20210203214927-8dcfd2da7e6f/go.mod h1:0lg7sgOTxlHtfyGhPiak214vQ7CuBRD99LbdBCpDRW8=
+github.com/plgd-dev/go-coap/v2 v2.3.1-0.20210204203130-38a043760811 h1:rP5X8LHR9IxiJgNSwKnuvW6XLKbwLO5NDzw1+4u2lLQ=
+github.com/plgd-dev/go-coap/v2 v2.3.1-0.20210204203130-38a043760811/go.mod h1:0lg7sgOTxlHtfyGhPiak214vQ7CuBRD99LbdBCpDRW8=
 github.com/plgd-dev/kit v0.0.0-20200819113605-d5fcf3e94f63/go.mod h1:Yl9zisyXfPdtP9hTWlJqjJYXmgU/jtSDKttz9/CeD90=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=