Update rubocop to 1.41.0

[ericproulx]

Updating rubocop to latest version which is 1.41.0

[ericproulx]

Danger credentials doesn't work : 401 - Bad credentials

[dblock]

Danger credentials doesn't work : 401 - Bad credentials

The account that owned those got reset by GitHub last week :( I'd like to replace this with something like https://github.com/dangoslen/changelog-enforcer to avoid this happening in the future, want to help?

[dblock]

#2291 rebase?

[ericproulx]

@dblock did the rebase and put 1.41 since a version came out since I've created the PR

[dblock]

Looks like some CI is failing on older rubies, probably unrelated but I'd rather not merge, care to take a look?

[ericproulx]

Bundler found conflicting requirements for the Ruby version:
    In rack1.gemfile:
      rubocop (= 1.41.0) was resolved to 1.41.0, which depends on
        Ruby (>= 2.6.0)
  
    Current Ruby version:
      Ruby (= 2.5.9)

[dblock]

Looks like we're dropping support for Ruby 2.5 here? Ruby 2.5 is EOL already, so that's ok. Make the necessary changes as needed (change 2.5 to 2.6 or newer as appropriate), get CI to green, and note in CHANGELOG something like "Dropped support for Ruby 2.5".

[ericproulx]

Looks like we're dropping support for Ruby 2.5 here? Ruby 2.5 is EOL already, so that's ok. Make the necessary changes as needed (change 2.5 to 2.6 or newer as appropriate), get CI to green, and note in CHANGELOG something like "Dropped support for Ruby 2.5".

Rubocop drop support for ruby 2.5 in April.

[grape-bot]

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