Update module github.com/pion/dtls/v2 to v2.1.5

Generated by renovateBot

AUTHORS.txt

@@ -26,6 +26,7 @@ Jason Maldonis <jason.maldonis@i3pd.com>
 Jerko Steiner <jerko.steiner@gmail.com>
 JooYoung <qkdlql@naver.com>
 Juliusz Chroboczek <jch@irif.fr>
+Kacper Bąk <56700396+53jk1@users.noreply.github.com>
 Konstantin Itskov <konstantin.itskov@kovits.com>
 korymiller1489 <kmiller@unwiredrevolution.com>
 Kyle Carberry <kyle@carberry.com>

go.mod

@@ -5,7 +5,7 @@ go 1.13
 require (
 	github.com/google/uuid v1.3.0
 	github.com/kr/pretty v0.1.0 // indirect
-	github.com/pion/dtls/v2 v2.1.4
+	github.com/pion/dtls/v2 v2.1.5
 	github.com/pion/logging v0.2.2
 	github.com/pion/mdns v0.0.5
 	github.com/pion/randutil v0.1.0

go.sum

@@ -7,8 +7,8 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/pion/dtls/v2 v2.1.4 h1:z7Ud+U5lvrV7JU7htOusWT4RyAT6g3RjMrOYq+qAKzc=
-github.com/pion/dtls/v2 v2.1.4/go.mod h1:BqCE7xPZbPSubGasRoDFJeTsyJtdD1FanJYL0JGheqY=
+github.com/pion/dtls/v2 v2.1.5 h1:jlh2vtIyUBShchoTDqpCCqiYCyRFJ/lvf/gQ8TALs+c=
+github.com/pion/dtls/v2 v2.1.5/go.mod h1:BqCE7xPZbPSubGasRoDFJeTsyJtdD1FanJYL0JGheqY=
 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 v0.0.5 h1:Q2oj/JB3NqfzY9xGZ1fPzZzK7sDSD8rZPOvcIQ10BCw=