Go Module Update

Signed-off-by: Paketo Robot <robot@paketo.io>

go.mod

@@ -5,5 +5,5 @@ go 1.14
 require (
 	github.com/buildpacks/libcnb v1.6.0
 	github.com/paketo-buildpacks/libjvm v1.9.0
-	github.com/paketo-buildpacks/libpak v1.20.2
+	github.com/paketo-buildpacks/libpak v1.21.0
 )

go.sum

@@ -44,10 +44,9 @@ github.com/onsi/gomega v1.9.0 h1:R1uwffexN6Pr340GtYRIdZmAiN4J+iw6WG4wog1DUXg=
 github.com/onsi/gomega v1.9.0/go.mod h1:Ho0h+IUsWyvy1OpqCwxlQ/21gkhVunqlU8fDGcoTdcA=
 github.com/paketo-buildpacks/libjvm v1.9.0 h1:QBzBqxF3vLMzUmt2+vhezraYDKTp6tPIDbBVSUDKMAU=
 github.com/paketo-buildpacks/libjvm v1.9.0/go.mod h1:TiH1dD8KblLZktjKey9qXMex1TTNZngP3wHoRul52B4=
-github.com/paketo-buildpacks/libpak v1.20.1 h1:+P0C3+KnyPhawDXjPTgvWuxDYN0377CblQAXCjS+294=
 github.com/paketo-buildpacks/libpak v1.20.1/go.mod h1:Ls8c6OXC53rk2jday3/up5TfVHFGw/HUnDMPRj5hZn8=
-github.com/paketo-buildpacks/libpak v1.20.2 h1:53sPxvZwC+ripjYbdiM3UIUsEH/7S6+pp+ycmA0R3XU=
-github.com/paketo-buildpacks/libpak v1.20.2/go.mod h1:5J6ne6iASiZPI0oBnZ1hB9G7GTMREf5+2WAFmawFWEg=
+github.com/paketo-buildpacks/libpak v1.21.0 h1:a81FtNkTaTcCiQ47mkPRU8TEJBT2sGY42sEyA7PVdIE=
+github.com/paketo-buildpacks/libpak v1.21.0/go.mod h1:5J6ne6iASiZPI0oBnZ1hB9G7GTMREf5+2WAFmawFWEg=
 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/rakyll/statik v0.1.7 h1:OF3QCZUuyPxuGEP7B4ypUa7sB/iHtqOTDYZXGM8KOdQ=