Update Vendors (#250)

update go min version

Update Vendors:
 * code.gitea.io/gitea-vet v0.2.0 -> v0.2.1
 * code.gitea.io/sdk/gitea v0.13.0 -> v0.13.1
 * github.com/AlecAivazis/survey v2.1.1 -> v2.2.2
 * github.com/adrg/xdg v0.2.1 -> v0.2.2
 * github.com/araddon/dateparse d820a6159ab1 -> 8aadafed4dc4
 * github.com/go-git/go-git v5.1.0 -> v5.2.0
 * github.com/muesli/termenv v0.7.2 -> v0.7.4
 * github.com/stretchr/testify v1.5.1 -> v1.6.1
 * github.com/urfave/cli v2.2.0 -> v2.3.0

Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/250
Reviewed-by: Andrew Thornton <art27@cantab.net>
Reviewed-by: mrsdizzie <info@mrsdizzie.com>
Co-Authored-By: 6543 <6543@noreply.gitea.io>
Co-Committed-By: 6543 <6543@noreply.gitea.io>

vendor/github.com/muesli/termenv/termenv_unix.go

@@ -13,12 +13,23 @@ import (
 )
 
 func colorProfile() Profile {
+	term := os.Getenv("TERM")
 	colorTerm := os.Getenv("COLORTERM")
-	if colorTerm == "truecolor" {
-		return TrueColor
+
+	switch strings.ToLower(colorTerm) {
+	case "24bit":
+		fallthrough
+	case "truecolor":
+		if term == "screen" || !strings.HasPrefix(term, "screen") {
+			// enable TrueColor in tmux, but not for old-school screen
+			return TrueColor
+		}
+	case "yes":
+		fallthrough
+	case "true":
+		return ANSI256
 	}
 
-	term := os.Getenv("TERM")
 	if strings.Contains(term, "256color") {
 		return ANSI256
 	}