Security vulnerability: reliance on EOL jQuery version

[mateusz]

Currently there seems to be no way to use this plugin without introducing vulnerabilities.

All major lines of bootstrap-accessibility-plugin quietly rely on vulnerable jQuery 1. This is evidenced for example in this size call which has been deprecated as of jQuery 3. jQuery v1 and v2 contain security issues, and are unsupported (EOL), but jQuery 3 cannot be used.