Ubuntu-packaging-related issue.

I cannot upgrade/install kicad-nightly anymore since it conflicts with version 5.1.10 Sorry, I did not know the best place to report this.

➜ sudo apt install  kicad-nightly                                                                               
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Recommended packages:
  kicad-nightly-doc-en
The following NEW packages will be installed:
  kicad-nightly
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/36.3 MB of archives.
After this operation, 162 MB of additional disk space will be used.
(Reading database ... 447229 files and directories currently installed.)
Preparing to unpack .../kicad-nightly_202110101822+a92516bcd2~140~ubuntu21.04.1_amd64.deb ...
Unpacking kicad-nightly (202110101822+a92516bcd2~140~ubuntu21.04.1) ...
dpkg: error processing archive /var/cache/apt/archives/kicad-nightly_202110101822+a92516bcd2~140~ubuntu21.04.1_amd64.deb (--unpack):
 trying to overwrite '/usr/share/icons/hicolor/128x128/mimetypes/application-x-kicad-pcb.png', which is also in package kicad 5.1.10-202107120847+88a1d61d58~90~ubuntu21.04.1
Errors were encountered while processing:
 /var/cache/apt/archives/kicad-nightly_202110101822+a92516bcd2~140~ubuntu21.04.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)