ArduinoJson 6.17.3 * Made `JsonDocument`'s destructor protected (issue #1480) * Added missing calls to `client.stop()` in `JsonHttpClient.ino` (issue #1485) * Fixed error `expected ')' before 'char'` when `isdigit()` is a macro (issue #1487) * Fixed error `definition of implicit copy constructor is deprecated` on Clang 10 * PlatformIO: set framework compatibility to `*` (PR #1490 by @maxgerhardt)