Add python3-dev python3 depedency

[GGeorggg]

[pipenv.exceptions.InstallError]:       x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -ffile-prefix-map=/build/python3.9-RNBry6/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -fPIC -DUSE__THREAD -DHAVE_SYNC_SYNCHRONIZE -I/root/.local/share/virtualenvs/airnotifier-VNC5CTQn/include -I/usr/include/python3.9 -c c/_cffi_backend.c -o build/temp.linux-x86_64-cpython-39/c/_cffi_backend.o
[pipenv.exceptions.InstallError]:       c/_cffi_backend.c:2:10: fatal error: Python.h: No such file or directory
[pipenv.exceptions.InstallError]:           2 | #include <Python.h>
[pipenv.exceptions.InstallError]:             |          ^~~~~~~~~~
[pipenv.exceptions.InstallError]:       compilation terminated.
[pipenv.exceptions.InstallError]:       error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
[pipenv.exceptions.InstallError]:       [end of output]
[pipenv.exceptions.InstallError]:
[pipenv.exceptions.InstallError]:   note: This error originates from a subprocess, and is likely not a problem with pip.
[pipenv.exceptions.InstallError]: error: legacy-install-failure
[pipenv.exceptions.InstallError]:
[pipenv.exceptions.InstallError]: × Encountered error while trying to install package.
[pipenv.exceptions.InstallError]: ╰─> cffi
[pipenv.exceptions.InstallError]:
[pipenv.exceptions.InstallError]: note: This is an issue with the package mentioned above, not pip.
[pipenv.exceptions.InstallError]: hint: See above for output from the failure.
ERROR: Couldn't install package: cffi
 Package installation failed...