Fix linter errors to reflect update to Go 1.20

activitypub/resolvers/resolve.go

@@ -3,7 +3,7 @@ package resolvers
 import (
 	"context"
 	"encoding/json"
-	"io/ioutil"
+	"io"
 	"net/http"
 
 	"github.com/go-fed/activity/streams"
@@ -63,7 +63,7 @@ func ResolveIRI(c context.Context, iri string, callbacks ...interface{}) error {
 
 	defer response.Body.Close()
 
-	data, err := ioutil.ReadAll(response.Body)
+	data, err := io.ReadAll(response.Body)
 	if err != nil {
 		return err
 	}

controllers/admin/update.go

@@ -3,7 +3,6 @@ package admin
 import (
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"os/exec"
@@ -147,7 +146,7 @@ func getContainerID() string {
 	pid := os.Getppid()
 	cgroupPath := fmt.Sprintf("/proc/%s/cgroup", strconv.Itoa(pid))
 	containerID := ""
-	content, err := ioutil.ReadFile(cgroupPath) //nolint:gosec
+	content, err := os.ReadFile(cgroupPath) //nolint:gosec
 	if err != nil {
 		return containerID
 	}

utils/utils.go

@@ -14,7 +14,6 @@ import (
 	"path/filepath"
 	"regexp"
 	"strings"
-	"time"
 
 	log "github.com/sirupsen/logrus"
 	"github.com/yuin/goldmark"
@@ -358,7 +357,6 @@ func GetHashtagsFromText(text string) []string {
 
 // ShuffleStringSlice will shuffle a slice of strings.
 func ShuffleStringSlice(s []string) []string {
-	rand.Seed(time.Now().UnixNano())
 	rand.Shuffle(len(s), func(i, j int) {
 		s[i], s[j] = s[j], s[i]
 	})