Update module github.com/shirou/gopsutil to v4

Signed-off-by: Mikel Olasagasti Uranga <mikel@olasagasti.info>

vendor/github.com/shirou/gopsutil/v4/internal/common/warnings.go

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package common
+
+import "fmt"
+
+type Warnings struct {
+	List    []error
+	Verbose bool
+}
+
+func (w *Warnings) Add(err error) {
+	w.List = append(w.List, err)
+}
+
+func (w *Warnings) Reference() error {
+	if len(w.List) > 0 {
+		return w
+	}
+	return nil
+}
+
+func (w *Warnings) Error() string {
+	if w.Verbose {
+		str := ""
+		for i, e := range w.List {
+			str += fmt.Sprintf("\tError %d: %s\n", i, e.Error())
+		}
+		return str
+	}
+	return fmt.Sprintf("Number of warnings: %v", len(w.List))
+}