Removes ember-default-with-jquery scenario from CI config file

Fixes packages vulnerabilities

Remove ember classic and ember with jquery scenarios from github ci

Update README.md

Updated module version.

Updated module version.

Updated dependencies with mqtt npm package.

Signed-off-by: Davide Ferrero <[email protected]>

Modified addon version and description in package.json.

Signed-off-by: Davide Ferrero <[email protected]>