Fix deprecation warnings before upgrading to 7.2

[wendelfabianchinsamy]

DEPRECATION WARNING: Activity model aliases uid, but uid is not an attribute. Starting in Rails 7.2, alias_attribute with non-attribute targets will raise. Use alias_method :doi_id, :uid or define the method manually.

DEPRECATION WARNING: Metadata model aliases doi_id, but doi_id is not an attribute. Starting in Rails 7.2, alias_attribute with non-attribute targets will raise. Use alias_method :datacite_doi_id, :doi_id or define the method manually.

[digitaldogsbody]

@wendelfabianchinsamy is this completed? I was getting these warnings yesterday when running the rspec suite in my local container.

[wendelfabianchinsamy]

@wendelfabianchinsamy is this completed? I was getting these warnings yesterday when running the rspec suite in my local container.

@digitaldogsbody looks like I did not do this but closed the issue. I will reopen and fix. Thank you!