Bump github.com/multiformats/go-multiaddr from 0.1.2 to 0.2.0

Bumps [github.com/multiformats/go-multiaddr](https://github.com/multiformats/go-multiaddr) from 0.1.2 to 0.2.0.
- [Release notes](https://github.com/multiformats/go-multiaddr/releases)
- [Commits](multiformats/go-multiaddr@v0.1.2...v0.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/libp2p/go-libp2p-core v0.2.5
 	github.com/libp2p/go-libp2p-discovery v0.2.0
 	github.com/libp2p/go-libp2p-swarm v0.2.2
-	github.com/multiformats/go-multiaddr v0.1.2
+	github.com/multiformats/go-multiaddr v0.2.0
 	github.com/multiformats/go-multistream v0.1.0
 	github.com/whyrusleeping/timecache v0.0.0-20160911033111-cfcb2f1abfee
 )

go.sum

@@ -215,6 +215,8 @@ github.com/multiformats/go-multiaddr v0.1.1 h1:rVAztJYMhCQ7vEFr8FvxW3mS+HF2eY/oP
 github.com/multiformats/go-multiaddr v0.1.1/go.mod h1:aMKBKNEYmzmDmxfX88/vz+J5IU55txyt0p4aiWVohjo=
 github.com/multiformats/go-multiaddr v0.1.2 h1:HWYHNSyyllbQopmVIF5K7JKJugiah+L9/kuZKHbmNdQ=
 github.com/multiformats/go-multiaddr v0.1.2/go.mod h1:0nO36NvPpyV4QzvTLi/lafl2y95ncPj0vFwVF6k6wJ4=
+github.com/multiformats/go-multiaddr v0.2.0 h1:lR52sFwcTCuQb6bTfnXF6zA2XfyYvyd+5a9qECv/J90=
+github.com/multiformats/go-multiaddr v0.2.0/go.mod h1:0nO36NvPpyV4QzvTLi/lafl2y95ncPj0vFwVF6k6wJ4=
 github.com/multiformats/go-multiaddr-dns v0.0.1/go.mod h1:9kWcqw/Pj6FwxAwW38n/9403szc57zJPs45fmnznu3Q=
 github.com/multiformats/go-multiaddr-dns v0.0.2/go.mod h1:9kWcqw/Pj6FwxAwW38n/9403szc57zJPs45fmnznu3Q=
 github.com/multiformats/go-multiaddr-fmt v0.0.1/go.mod h1:aBYjqL4T/7j4Qx+R73XSv/8JsgnRFlf0w2KGLCmXl3Q=