Update dependency go to v1.23.6 (#303)

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Author: renovate[bot]

Diff for: go.mod

@@ -2,7 +2,7 @@ module github.com/pion/example-webrtc-applications/v3
 
 go 1.22
 
-toolchain go1.23.5
+toolchain go1.23.6
 
 require (
 	github.com/asticode/go-astiav v0.19.0