Update all dependencies

Note: should we ditch vendoring?

Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>

vendor/github.com/go-openapi/runtime/middleware/header/header.go

@@ -25,6 +25,11 @@ const (
 	isSpace
 )
 
+const (
+	asciiMaxControlChar = 31
+	asciiMaxChar        = 127
+)
+
 func init() {
 	// OCTET      = <any 8-bit sequence of data>
 	// CHAR       = <any US-ASCII character (octets 0 - 127)>
@@ -42,10 +47,10 @@ func init() {
 	// token      = 1*<any CHAR except CTLs or separators>
 	// qdtext     = <any TEXT except <">>
 
-	for c := 0; c < 256; c++ {
+	for c := range 256 {
 		var t octetType
-		isCtl := c <= 31 || c == 127
-		isChar := 0 <= c && c <= 127
+		isCtl := c <= asciiMaxControlChar || c == asciiMaxChar
+		isChar := 0 <= c && c <= asciiMaxChar
 		isSeparator := strings.ContainsRune(" \t\"(),/:;<=>?@[]\\{}", rune(c))
 		if strings.ContainsRune(" \t\r\n", rune(c)) {
 			t |= isSpace
@@ -92,7 +97,7 @@ func ParseList(header http.Header, key string) []string {
 		end := 0
 		escape := false
 		quote := false
-		for i := 0; i < len(s); i++ {
+		for i := range len(s) {
 			b := s[i]
 			switch {
 			case escape: