force binary name to be just archivebox

stdeb.cfg

@@ -1,6 +1,9 @@
 [DEFAULT]
+Source: archivebox
 Package: archivebox
+Package3: archivebox
 Suite: focal
+Suite3: focal
 Build-Depends: dh-python, python3-pip, python3-setuptools, python3-wheel, python3-stdeb
-Depends: nodejs, chromium-browser, wget, curl, git, ffmpeg, youtube-dl, python3-atomicwrites, python3-croniter, python3-crontab, python3-dateparser, python3-django, python3-django-extensions, python3-mypy-extensions, python3-requests, python3-w3lib
+Depends3: nodejs, chromium-browser, wget, curl, git, ffmpeg, youtube-dl, python3-atomicwrites, python3-croniter, python3-crontab, python3-dateparser, python3-django, python3-django-extensions, python3-mypy-extensions, python3-requests, python3-w3lib
 XS-Python-Version: >= 3.7