* Add CodeQL workflow
* Improve CodeQL setup
Install proper packages to enable GTK and Qt client builds.
Exclude 3rd-party dependencies from analysis (they should be analyzed
separately in their own repositories).
Speed C++ analysis up by building with Ninja.
Speed JavaScript analysis up by skipping CMake configuration and build,
which is not required for interpreted languages.
* Revert unintentional branch specification change
* Exclude generated JavaScript files from CodeQL analysis
Co-authored-by: Mike Gelfand <mikedld@mikedld.com>
Co-authored-by: Mike Gelfand <mikedld@users.noreply.github.com>
