[v4/Breaking] Bump ubuntu: 22.04, minimum ruby: 2.5, minimum rails 5.0 #1128
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Description of the change
These changes are targeted for the upcoming v4 release.
Bump Ubuntu to 22.04
Why not use
latest
?We try to support the oldest language versions we reasonably can in CI. Using Ubuntu version
latest
will break CI unexpectedly when a new Ubuntu is released. It's better to update intentionally to known compatible versions.Remove Ruby < 2.5, and Rails < 5.0 from CI
Ruby 2.4 was EOL 3.5 years ago. Rails 4.x was EOL 6 years ago.
As noted above, we try to support EOL versions as long as practical. Rubygems.org is no longer reliably installing some of the gems required by these old Gemfiles, therefore they must be removed from CI.
Type of change