Upgrade to Rails 7.2

[etagwerker]

Before we start...:

• I checked the documentation and didn't find this feature
• I checked to make sure that this feature has not already been requested

Branch/Commit:

main branch.

Problem:

Rails 7.1 becomes EOL in 8 months (October '25)

Resources:

There may be a known issue with ombu_labs-auth: fastruby/ombu_labs-auth#23

I will abide by the code of conduct