vendor: update all dependencies

vendor/github.com/mattn/go-ieproxy/utils.go

@@ -0,0 +1,23 @@
+package ieproxy
+
+import (
+	"unicode/utf16"
+	"unsafe"
+)
+
+// StringFromUTF16Ptr converts a *uint16 C string to a Go String
+func StringFromUTF16Ptr(s *uint16) string {
+	if s == nil {
+		return ""
+	}
+
+	p := (*[1<<30 - 1]uint16)(unsafe.Pointer(s))
+
+	// find the string length
+	sz := 0
+	for p[sz] != 0 {
+		sz++
+	}
+
+	return string(utf16.Decode(p[:sz:sz]))
+}