[DRE-maint] ruby-rack-openid is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-rack-openid 1.4.2-2 is marked for autoremoval from testing on 2021-11-26

It (build-)depends on packages with these RC bugs:
996343: ruby-openid: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed: <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require': cannot load such file -- webrick (LoadError)
 https://bugs.debian.org/996343



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