OctoPrint upload: ignore certificate revocation checks

Fixes Hostname incorrect While test is positive (Bonjour discovery not
supported for the address field) #1781
(partial fix of #1781)

src/libslic3r/Preset.cpp

@@ -1442,7 +1442,8 @@ const std::vector<std::string>& PhysicalPrinter::printer_options()
             "printhost_authorization_type",
             // HTTP digest authentization (RFC 2617)
             "printhost_user",
-            "printhost_password"
+            "printhost_password",
+            "printhost_ignore_check"
         };
     }
     return s_opts;