TUN-7227: Migrate to devincarr/quic-go

The lucas-clemente/quic-go package moved namespaces and our branch
went stale, this new fork provides support for the new quic-go repo
and applies the max datagram frame size change.

Until the max datagram frame size support gets upstreamed into quic-go,
this can be used to unblock go 1.20 support as the old
lucas-clemente/quic-go will not get go 1.20 support.

vendor/github.com/quic-go/qtls-go1-19/notboring.go

@@ -0,0 +1,18 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package qtls
+
+func needFIPS() bool { return false }
+
+func supportedSignatureAlgorithms() []SignatureScheme {
+	return defaultSupportedSignatureAlgorithms
+}
+
+func fipsMinVersion(c *config) uint16          { panic("fipsMinVersion") }
+func fipsMaxVersion(c *config) uint16          { panic("fipsMaxVersion") }
+func fipsCurvePreferences(c *config) []CurveID { panic("fipsCurvePreferences") }
+func fipsCipherSuites(c *config) []uint16      { panic("fipsCipherSuites") }
+
+var fipsSupportedSignatureAlgorithms []SignatureScheme