Upgrade gopsutil to v3.20.11 (#341)

Author: binbin0325

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/fsnotify/fsnotify v1.4.7
 	github.com/google/uuid v1.1.1
 	github.com/pkg/errors v0.9.1
-	github.com/shirou/gopsutil v3.20.11-0.20201116082039-2fb5da2f2449+incompatible
+	github.com/shirou/gopsutil v3.20.11
 	github.com/stretchr/testify v1.5.1
 	go.uber.org/multierr v1.5.0
 	gopkg.in/yaml.v2 v2.2.8

go.sum

@@ -16,11 +16,7 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 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/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/shirou/gopsutil v2.19.12+incompatible h1:WRstheAymn1WOPesh+24+bZKFkqrdCR8JOc77v4xV3Q=
-github.com/shirou/gopsutil v2.19.12+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
-github.com/shirou/gopsutil v3.20.11-0.20201116082039-2fb5da2f2449+incompatible h1:Wll9sV8SqrD0cSI17l1L1Q2ZcqhhoDb1CUN+6TarZ3I=
-github.com/shirou/gopsutil v3.20.11-0.20201116082039-2fb5da2f2449+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=