add net-http gem to gemfile

[umitozturk]

/Users/${user}/.rbenv/versions/2.7.1/lib/ruby/2.7.0/net/protocol.rb:66: warning: already initialized constant Net::ProtocRetryError
/Users/${user}/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/net-protocol-0.1.2/lib/net/protocol.rb:68: warning: previous definition of ProtocRetryError was here
/Users/${user}/.rbenv/versions/2.7.1/lib/ruby/2.7.0/net/protocol.rb:206: warning: already initialized constant Net::BufferedIO::BUFSIZE
/Users/${user}/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/net-protocol-0.1.2/lib/net/protocol.rb:208: warning: previous definition of BUFSIZE was here
/Users/${user}.rbenv/versions/2.7.1/lib/ruby/2.7.0/net/protocol.rb:503: warning: already initialized constant Net::NetPrivate::Socket
/Users/${user}/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/net-protocol-0.1.2/lib/net/protocol.rb:504: warning: previous definition of Socket was here

When using Rails 7, I got these warnings in the rails outputs. I searched them and I found a solutions. adding gem "net-http" to Gemfile resolves warnings.

you can read more detail in here 🎉 :
ruby/net-imap#16 (comment)