build(deps): bump github.com/pierrec/lz4

Bumps [github.com/pierrec/lz4](https://github.com/pierrec/lz4) from 2.5.2+incompatible to 2.6.0+incompatible.
- [Release notes](https://github.com/pierrec/lz4/releases)
- [Commits](pierrec/lz4@v2.5.2...v2.6.0)

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

go.mod

@@ -5,6 +5,6 @@ go 1.13
 require (
 	github.com/Djarvur/go-aescrypt v0.1.1
 	github.com/frankban/quicktest v1.10.0 // indirect
-	github.com/pierrec/lz4 v2.5.2+incompatible
+	github.com/pierrec/lz4 v2.6.0+incompatible
 	github.com/ugorji/go/codec v1.1.7
 )

go.sum

@@ -9,8 +9,8 @@ github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfn
 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/pierrec/lz4 v2.5.2+incompatible h1:WCjObylUIOlKy/+7Abdn34TLIkXiA4UWUMhxq9m9ZXI=
-github.com/pierrec/lz4 v2.5.2+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
+github.com/pierrec/lz4 v2.6.0+incompatible h1:Ix9yFKn1nSPBLFl/yZknTp8TU5G4Ps0JDmguYK6iH1A=
+github.com/pierrec/lz4 v2.6.0+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=