[DRE-maint] Bug#986286: diaspora-installer: fails to install: Your bundle is locked to mimemagic (0.3.5), but that version could not be found

[Pirate Praveen]

Control: forwarded -1 https://github.com/diaspora/diaspora/issues/8229

On Fri, 02 Apr 2021 14:21:14 +0200 Andreas Beckmann <anbe at debian.org>
 >   Fetching gem metadata from https://gems.diasporafoundation.org/..
 >   Fetching gem metadata from https://rubygems.org/..........
 >   [ESC][31mYour bundle is locked to mimemagic (0.3.5), but that 
version could not be found
 >   in any of the sources listed in your Gemfile. If you haven't 
changed sources,
 >   that means the author of mimemagic (0.3.5) has removed it. You'll 
need to update
 >   your bundle to a version other than mimemagic (0.3.5) that hasn't 
been removed
 >   in order to install.[ESC][0m
 >   dpkg: error processing package diaspora-installer (--configure):

A lot of projects are affected by this change,
https://www.theregister.com/2021/03/25/ruby_rails_code/