Merge pull request #888 from jingyuanliang/go120

Bump to golang 1.20 to pick up go1.19.6 / go1.20.1 CVE fixes

plugins/main/tap/tap_test.go

@@ -17,7 +17,6 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"os"
 	"strings"
@@ -179,7 +178,7 @@ var _ = Describe("Add, check, remove tap plugin", func() {
 		targetNS, err = testutils.NewNS()
 		Expect(err).NotTo(HaveOccurred())
 
-		dataDir, err = ioutil.TempDir("", "dummy")
+		dataDir, err = os.MkdirTemp("", "dummy")
 		Expect(err).NotTo(HaveOccurred())
 	})
 

plugins/meta/portmap/portmap_suite_test.go

@@ -15,7 +15,6 @@
 package main
 
 import (
-	"math/rand"
 	"net"
 	"os/exec"
 	"path/filepath"
@@ -32,8 +31,6 @@ import (
 )
 
 func TestPortmap(t *testing.T) {
-	rand.Seed(GinkgoRandomSeed())
-
 	RegisterFailHandler(Fail)
 	RunSpecs(t, "plugins/meta/portmap")
 }