chore: upgrade go mod library

vendor/github.com/tklauser/go-sysconf/sysconf_linux.go

@@ -6,7 +6,6 @@ package sysconf
 
 import (
 	"bufio"
-	"io/ioutil"
 	"os"
 	"runtime"
 	"strconv"
@@ -26,7 +25,7 @@ const (
 )
 
 func readProcFsInt64(path string, fallback int64) int64 {
-	data, err := ioutil.ReadFile(path)
+	data, err := os.ReadFile(path)
 	if err != nil {
 		return fallback
 	}
@@ -86,10 +85,16 @@ func getNprocsProcStat() (int64, error) {
 	s := bufio.NewScanner(f)
 	for s.Scan() {
 		if line := strings.TrimSpace(s.Text()); strings.HasPrefix(line, "cpu") {
-			l := strings.SplitN(line, " ", 2)
-			_, err := strconv.ParseInt(l[0][3:], 10, 64)
-			if err == nil {
-				count++
+			cpu, _, found := strings.Cut(line, " ")
+			if found {
+				// skip first line with accumulated values
+				if cpu == "cpu" {
+					continue
+				}
+				_, err := strconv.ParseInt(cpu[len("cpu"):], 10, 64)
+				if err == nil {
+					count++
+				}
 			}
 		} else {
 			// The current format of /proc/stat has all the
@@ -98,6 +103,9 @@ func getNprocsProcStat() (int64, error) {
 			break
 		}
 	}
+	if err := s.Err(); err != nil {
+		return -1, err
+	}
 	return count, nil
 }