Update module pion/rtp to v1.4.0

Generated by renovateBot

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pion/logging v0.2.2
 	github.com/pion/rtcp v1.2.1
-	github.com/pion/rtp v1.3.2
+	github.com/pion/rtp v1.4.0
 	github.com/pion/transport v0.10.0
 	github.com/stretchr/testify v1.5.1
 )

go.sum

@@ -6,17 +6,15 @@ 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/rtcp v1.2.1 h1:S3yG4KpYAiSmBVqKAfgRa5JdwBNj4zK3RLUa8JYdhak=
 github.com/pion/rtcp v1.2.1/go.mod h1:a5dj2d6BKIKHl43EnAOIrCczcjESrtPuMgfmL6/K6QM=
-github.com/pion/rtp v1.3.2 h1:Yfzf1mU4Zmg7XWHitzYe2i+l+c68iO+wshzIUW44p1c=
-github.com/pion/rtp v1.3.2/go.mod h1:q9wPnA96pu2urCcW/sK/RiDn597bhGoAQQ+y2fDwHuY=
+github.com/pion/rtp v1.4.0 h1:EkeHEXKuJhZoRUxtL2Ie80vVg9gBH+poT9UoL8M14nw=
+github.com/pion/rtp v1.4.0/go.mod h1:/l4cvcKd0D3u9JLs2xSVI95YkfXW87a3br3nqmVtSlE=
 github.com/pion/transport v0.10.0 h1:9M12BSneJm6ggGhJyWpDveFOstJsTiQjkLf4M44rm80=
 github.com/pion/transport v0.10.0/go.mod h1:BnHnUipd0rZQyTVB2SBGojFHT9CBt5C5TcsJSQGkvSE=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=