…or anonymous classes)

This PR was merged into the 7.2 branch.

Discussion
----------

Remove useless code

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

I went through the remaining components and bundles, following my last PRs of this kind.

Commits
-------

58941cec67 Remove useless code

* 7.1:
  fix tests
  fix tests
  [DependencyInjection] Add tests for repeating `#[Autoconfigure]` attributes
  [DependencyInjection] Fix handling of repeated `#[Autoconfigure]` attributes
  update from Postgres 10 to 16
  [SecurityBundle] Make security schema deterministic
  [Translations][Core] Fix security Italian translation.
  clean up PHP version checks
  Support the `unique_proxy_open` event

* 7.1:
  fix test to be compatible with DBAL 4.2

* 7.1:
  Fix named arguments in data providers
  Make more data providers static
  fix merge
  Mutate remaining data providers to static ones

* 7.1:
  Add PR template and auto-close PR on subtree split repositories

* 7.1:
  [Form] Remove unnecessary imports
  minor #58472 CS: clean some whitespaces/indentation (keradus)
  Fix newline
  harden test to not depend on the system's configured default timezone
  [Form] Support intl.use_exceptions/error_level in NumberToLocalizedStringTransformer
  [Doctrine][Messenger] Use common sequence name to get id from Oracle
  [ExpressionLanguage] Add missing test case for `Lexer`
  [FrameworkBundle] Fix passing request_stack to session.listener
  ensure session storages are opened in tests before destroying them
  [Serializer] Fix `ObjectNormalizer` gives warnings on normalizing with public static property
  [HttpKernel] Correctly merge `max-age`/`s-maxage` and `Expires` headers
  [Security][Validator] Check translations for Czech
  [Security] Fix serialized object representation in tests
  [DoctrineBridge] Fix risky test warnings
  [Serializer] Catch `NotNormalizableValueException` for variadic parameters

* 7.1:
  fix CS
  Update deprecations baseline
  [Mailer][MailJet] Fix parameters for TrackClicks and TrackOpens
  [Doctrine][Messenger] Oracle sequences are suffixed with `_seq`
  drop existing schema if tests create it explicitly
  synchronize line numbers in deprecations baseline
  [HttpClient] Fix class requirement message
  Add integration test for RememberMe with pg connection
  fix: DoctrineTokenProvider not oracle compatible