Update module github.com/pion/rtp to v2

Generated by renovateBot

Author: renovate[bot]

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/notedit/janus-go v0.0.0-20210115013133-fdce1b146d0e
 	github.com/pion/rtcp v1.2.13
 	github.com/pion/rtp v1.8.3
+	github.com/pion/rtp/v2 v2.0.0
 	github.com/pion/sdp/v3 v3.0.6
 	github.com/pion/webrtc/v3 v3.2.24
 	gocv.io/x/gocv v0.35.0

go.sum

@@ -83,6 +83,7 @@ github.com/pion/rtcp v1.2.13/go.mod h1:sn6qjxvnwyAkkPzPULIbVqSKI5Dv54Rv7VG0kNxh9
 github.com/pion/rtp v1.8.2/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU=
 github.com/pion/rtp v1.8.3 h1:VEHxqzSVQxCkKDSHro5/4IUUG1ea+MFdqR2R3xSpNU8=
 github.com/pion/rtp v1.8.3/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU=
+github.com/pion/rtp/v2 v2.0.0/go.mod h1:Vj+rrFbJCT3yxqE/VSwaOo9DQ2pMKGPxuE7hplGOlOs=
 github.com/pion/sctp v1.8.5/go.mod h1:SUFFfDpViyKejTAdwD1d/HQsCu+V/40cCs2nZIvC3s0=
 github.com/pion/sctp v1.8.8 h1:5EdnnKI4gpyR1a1TwbiS/wxEgcUWBHsc7ILAjARJB+U=
 github.com/pion/sctp v1.8.8/go.mod h1:igF9nZBrjh5AtmKc7U30jXltsFHicFCXSmWA2GWRaWs=