Unsupported Ruby version is used in integration tests

[nard-tech]

Maybe related to #859

Ruby 2.4 is no longer supported and the support of the Ruby 2.5 series ends on March 2021.

So I'd like to bump Ruby version from 2.4 - 2.6 to 2.6 - 3.0.

As I reported on #859, I tried to fix broken CI in #858. At the same time I tried to fix this issue, but I could not fix entire problems due to other complicated reasons. So I did not bumped Ruby versions for CI (I closed #857).

cf. https://www.ruby-lang.org/en/news/2020/04/05/support-of-ruby-2-4-has-ended/

Codes

annotate_models/.github/workflows/ci.yml

Line 17 in 70aba78

ruby: ['2.4', '2.5', '2.6']

Version

• annotate version: 3.1.1
• rails version: 5.2.4.1, 6.0.2.1
• ruby version: 2.4, 2.5, 2.6

[ocarta-l]

Hi @nard-tech,

Can you check if #865 works for you ? :)
The issue was the removal of mimemagic (0.3.4) see here

[nard-tech]

Hi @ocarta-l
Ok, I will check #865.