debos: rootfs: Change Firefox to Chromium

This is for two main reasons; Firefox is pulling libvpx while Chromium
is pulling openh264, the latter is somehow less problematic; and
Chromium is generally more common and less risky in terms of website
support.

Signed-off-by: Loïc Minier <[email protected]>

Author: lool

debos-recipes/qualcomm-linux-debian-rootfs.yaml

@@ -173,7 +173,8 @@ actions:
       - fonts-symbola
       - avahi-daemon
       - libnss-mdns
-      - firefox-esr
+      # browser
+      - chromium
 {{- end }}
 
   - action: run