Update golang.org/x/exp digest to a408d31

Generated by renovateBot

Author: renovate[bot]

go.mod

@@ -1,15 +1,17 @@
 module github.com/plgd-dev/go-coap/v3
 
-go 1.20
+go 1.23.0
+
+toolchain go1.24.6
 
 require (
 	github.com/dsnet/golib/memfile v1.0.0
 	github.com/pion/dtls/v3 v3.0.6
 	github.com/stretchr/testify v1.9.0
 	go.uber.org/atomic v1.11.0
-	golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e
+	golang.org/x/exp v0.0.0-20250808145144-a408d31f581a
 	golang.org/x/net v0.35.0
-	golang.org/x/sync v0.11.0
+	golang.org/x/sync v0.16.0
 )
 
 require (
@@ -25,7 +27,7 @@ require (
 // pin versions to keep go1.20 support
 replace (
 	golang.org/x/crypto => golang.org/x/crypto v0.33.0
-	golang.org/x/exp => golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e
+	golang.org/x/exp => golang.org/x/exp v0.0.0-20250808145144-a408d31f581a
 	golang.org/x/net => golang.org/x/net v0.35.0
 	golang.org/x/sync => golang.org/x/sync v0.11.0
 	golang.org/x/sys => golang.org/x/sys v0.30.0

go.sum

@@ -16,8 +16,8 @@ go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
 go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
 golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
-golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e h1:I88y4caeGeuDQxgdoFPUq097j7kNfw6uvuiNxUBfcBk=
-golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e/go.mod h1:akd2r19cwCdwSwWeIdzYQGa/EZZyqcOdwWiwj5L5eKQ=
+golang.org/x/exp v0.0.0-20250808145144-a408d31f581a h1:Y+7uR/b1Mw2iSXZ3G//1haIiSElDQZ8KWh0h+sZPG90=
+golang.org/x/exp v0.0.0-20250808145144-a408d31f581a/go.mod h1:rT6SFzZ7oxADUDx58pcaKFTcZ+inxAa9fTrYx/uVYwg=
 golang.org/x/net v0.35.0 h1:T5GQRQb2y08kTAByq9L4/bz8cipCdA8FbRTXewonqY8=
 golang.org/x/net v0.35.0/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk=
 golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=