Update mdns to v0.0.12 to fix racy resolution

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/pion/dtls/v2 v2.2.10
 	github.com/pion/logging v0.2.2
-	github.com/pion/mdns v0.0.11
+	github.com/pion/mdns v0.0.12
 	github.com/pion/randutil v0.1.0
 	github.com/pion/stun/v2 v2.0.0
 	github.com/pion/transport/v3 v3.0.1

go.sum

@@ -13,8 +13,8 @@ github.com/pion/dtls/v2 v2.2.10 h1:u2Axk+FyIR1VFTPurktB+1zoEPGIW3bmyj3LEFrXjAA=
 github.com/pion/dtls/v2 v2.2.10/go.mod h1:d9SYc9fch0CqK90mRk1dC7AkzzpwJj6u2GU3u+9pqFE=
 github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
 github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
-github.com/pion/mdns v0.0.11 h1:X3tPBudQu0V/E1yTtSRUByuBPvBSGl7A0oDuI0WnpJA=
-github.com/pion/mdns v0.0.11/go.mod h1:Y1scL/8TT8KQ172UfxrE4j0c04NOY71bJS1aE1zvyGY=
+github.com/pion/mdns v0.0.12 h1:CiMYlY+O0azojWDmxdNr7ADGrnZ+V6Ilfner+6mSVK8=
+github.com/pion/mdns v0.0.12/go.mod h1:VExJjv8to/6Wqm1FXK+Ii/Z9tsVk/F5sD/N70cnYFbk=
 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
 github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
 github.com/pion/stun/v2 v2.0.0 h1:A5+wXKLAypxQri59+tmQKVs7+l6mMM+3d+eER9ifRU0=