Miguel Taylor

Fix some formatting issues and warning related to the Debian package generation

@lleon95 Created an example on how to use CI to automate the edition of the Debian files with each release: > You can automate this to avoid further errors caused...

Right now `make install` is always trying to install the Python client even if pip3 is not present. This should be a conditional `configure.ac`.

- Add option for `bus_read` + `bus_filter` in the same command - Add async version of `bus_read` - Add option for `signal_connect` + `signal_timeout` in the same command - Add...

Pygstd tests use GstD directly (`test_libgstc_python_init.py` starts the daemon and `test_libgstc_python_stop_gstd.py` stops it). The ideal implementation would be to change it for a GstD mock.

- Add Debian package generation for gst-interpipes version 1.1.8 using meson as build-system - Fix issue when building the doc with meson using gtk-doc version 1.30 or higher (https://gitlab.freedesktop.org/gstreamer/gst-libav/-/merge_requests/40)