Update Dependencies (#390)

Co-authored-by: Norwin Roosen <git@nroo.de>
Co-authored-by: Norwin <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/390
Reviewed-by: 6543 <6543@obermui.de>
Reviewed-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Norwin <noerw@noreply.gitea.io>
Co-committed-by: Norwin <noerw@noreply.gitea.io>

vendor/github.com/adrg/xdg/stat.go

@@ -0,0 +1,10 @@
+// +build !windows
+
+package xdg
+
+import "os"
+
+func pathExists(path string) bool {
+	_, err := os.Stat(path)
+	return err == nil || os.IsExist(err)
+}