Update pion/webrtc to v3.1.19.

This fixes an issue with non-simulcast tracks being discarded
when bundled with simulcast tracks.

go.mod

@@ -7,13 +7,12 @@ require (
 	github.com/gorilla/websocket v1.4.2
 	github.com/jech/cert v0.0.0-20210819231831-aca735647728
 	github.com/jech/samplebuilder v0.0.0-20220125212352-4553ed6f9a6c
-	github.com/pion/ice/v2 v2.1.19
-	github.com/pion/interceptor v0.1.7 // indirect
+	github.com/pion/ice/v2 v2.1.20
 	github.com/pion/rtcp v1.2.9
 	github.com/pion/rtp v1.7.4
 	github.com/pion/sdp/v3 v3.0.4
 	github.com/pion/turn/v2 v2.0.6
-	github.com/pion/webrtc/v3 v3.1.17
+	github.com/pion/webrtc/v3 v3.1.19
 	golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce
 	golang.org/x/net v0.0.0-20220121210141-e204ce36a2ba // indirect
 	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9

go.sum

@@ -49,15 +49,12 @@ github.com/pion/datachannel v1.4.21/go.mod h1:oiNyP4gHx2DIwRzX/MFyH0Rz/Gz05OgBla
 github.com/pion/datachannel v1.5.2 h1:piB93s8LGmbECrpO84DnkIVWasRMk3IimbcXkTQLE6E=
 github.com/pion/datachannel v1.5.2/go.mod h1:FTGQWaHrdCwIJ1rw6xBIfZVkslikjShim5yr05XFuCQ=
 github.com/pion/dtls/v2 v2.0.9/go.mod h1:O0Wr7si/Zj5/EBFlDzDd6UtVxx25CE1r7XM7BQKYQho=
-github.com/pion/dtls/v2 v2.0.13/go.mod h1:OaE7eTM+ppaUhJ99OTO4aHl9uY6vPrT1gPY27uNTxRY=
-github.com/pion/dtls/v2 v2.1.0 h1:g6gtKVNLp6URDkv9OijFJl16kqGHzVzZG+Fa4A38GTY=
-github.com/pion/dtls/v2 v2.1.0/go.mod h1:qG3gA7ZPZemBqpEFqRKyURYdKEwFZQCGb7gv9T3ON3Y=
+github.com/pion/dtls/v2 v2.1.1 h1:+ak8AXk2Hw0xjBTwC3ZwTmg72nLckNs3kpIugs4R594=
+github.com/pion/dtls/v2 v2.1.1/go.mod h1:qG3gA7ZPZemBqpEFqRKyURYdKEwFZQCGb7gv9T3ON3Y=
 github.com/pion/ice/v2 v2.1.12/go.mod h1:ovgYHUmwYLlRvcCLI67PnQ5YGe+upXZbGgllBDG/ktU=
-github.com/pion/ice/v2 v2.1.18/go.mod h1:9jDr0iIUg8P6+0Jq8QJ/eFSkX3JnsPd293TjCdkfpTs=
-github.com/pion/ice/v2 v2.1.19 h1:z7iVx/fHlqvPILUbvcj1xjuz/6eVKgEFOM8h1AuLbF8=
-github.com/pion/ice/v2 v2.1.19/go.mod h1:E5frMpIJ3zzcQiRo+XyT7z1IiAsGc1hDURcVJQUzGWA=
+github.com/pion/ice/v2 v2.1.20 h1:xpxXyX5b4WjCh/D905gzBeW/hbJxMEPx2ptVfrhVE6M=
+github.com/pion/ice/v2 v2.1.20/go.mod h1:hEAldRzBhTtAfvlU1V/2/nLCMvveQWFKPNCop+63/Iw=
 github.com/pion/interceptor v0.1.0/go.mod h1:j5NIl3tJJPB3u8+Z2Xz8MZs/VV6rc+If9mXEKNuFmEM=
-github.com/pion/interceptor v0.1.6/go.mod h1:Lh3JSl/cbJ2wP8I3ccrjh1K/deRGRn3UlSPuOTiHb6U=
 github.com/pion/interceptor v0.1.7 h1:HThW0tIIKT9RRoDWGURe8rlZVOx0fJHxBHpA0ej0+bo=
 github.com/pion/interceptor v0.1.7/go.mod h1:Lh3JSl/cbJ2wP8I3ccrjh1K/deRGRn3UlSPuOTiHb6U=
 github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
@@ -96,8 +93,8 @@ github.com/pion/turn/v2 v2.0.6/go.mod h1:+y7xl719J8bAEVpSXBXvTxStjJv3hbz9YFflvkp
 github.com/pion/udp v0.1.1 h1:8UAPvyqmsxK8oOjloDk4wUt63TzFe9WEJkg5lChlj7o=
 github.com/pion/udp v0.1.1/go.mod h1:6AFo+CMdKQm7UiA0eUPA8/eVCTx8jBIITLZHc9DWX5M=
 github.com/pion/webrtc/v3 v3.1.0/go.mod h1:t51XSam1k56eYLuO1Ubxjs3pDBfGYxkGBFhYf55Mn/s=
-github.com/pion/webrtc/v3 v3.1.17 h1:6V4Yf5wnvJZKs86401EcpsKmB5Px5pfF1ICXdPIRsC0=
-github.com/pion/webrtc/v3 v3.1.17/go.mod h1:kHunUx6HPCbCvGy/HdWQNwtT9LJ2XMS/sBmLwB1A4rs=
+github.com/pion/webrtc/v3 v3.1.19 h1:a4mrYskJE9LLUEogSnYVBna0Plg+fwwGLkDraz1WSwI=
+github.com/pion/webrtc/v3 v3.1.19/go.mod h1:JRlX2EANa0bbyNzbqhkSiio+tT284fgco03Xw+aS/4Q=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -112,7 +109,6 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
-golang.org/x/crypto v0.0.0-20211117183948-ae814b36b871/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce h1:Roh6XWxHFKrPgC/EQhVubSAGQ6Ozk6IdxHSzt1mR0EI=
 golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=