[WIP] Upgrade config to latest 5.x version for rails 7.1 compatibility #23275
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WIP, depends on:
I noticed deep_merge was behaving differently in tests and failing on 7.1.
Digging in, rails 7.0 was using the gem, 7.1 was using the activesupport module:
rails 7.1:
rails 7.0:
Rails 7.1 changed the way their deep_merge is defined via a refactored module: https://www.github.com/rails/rails/commit/43b980368a7628fac95cc4f673e0dfbcee77c10b
This was raised in:
https://www.github.com/rails/rails/issues/49457
Config gem fixed this in 5.0 and subsequently fixed another compatibility issue in 5.1 https://www.github.com/rubyconfig/config/commit/759c0fe271b4b90d534217a5b6e0653d0c94ee85