…of `MockBuilder`

…ated methods of `MockBuilder` (alexandre-daubois)

This PR was merged into the 5.4 branch.

Discussion
----------

Remove calls to `TestCase::iniSet()` and calls to deprecated methods of `MockBuilder`

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

Last round (before new deprecations 🙂). All deprecations [listed here](https://github.com/sebastianbergmann/phpunit/blob/main/DEPRECATIONS.md) should be gone.

Commits
-------

4d5065ddd9 Remove calls to `TestCase::iniSet()` and calls to deprecated methods of `MockBuilder`

* 5.4:
  [PropertyInfo] Update DoctrineExtractor for new DBAL 4 BIGINT type
  Update security.nl.xlf
  [Validator] IBAN Check digits should always between 2 and 98
  [Security] Populate translations for trans-unit 20
  add missing plural translation messages
  filter out empty HTTP header parts
  [String] Fix folded in compat mode
  Remove calls to `getMockForAbstractClass()`
  [ErrorHandler] Do not call xdebug_get_function_stack() with xdebug >= 3.0 when not in develop mode
  [Serializer] Fix type for missing property
  add test for JSON response with null as content
  [Filesystem] Fix dumpFile `stat failed` error hitting custom handler
  Remove calls to `TestCase::iniSet()` and calls to deprecated methods of `MockBuilder`
  [PhpUnitBridge] Fix `DeprecationErrorHandler` with PhpUnit 10

* 6.4:
  [Serializer] Improve exception message in UnwrappingDenormalizer
  [PropertyInfo] Update DoctrineExtractor for new DBAL 4 BIGINT type
  Update security.nl.xlf
  [Validator] IBAN Check digits should always between 2 and 98
  [Security] Populate translations for trans-unit 20
  add missing plural translation messages
  filter out empty HTTP header parts
  [String] Fix folded in compat mode
  Remove calls to `getMockForAbstractClass()`
  [ErrorHandler] Do not call xdebug_get_function_stack() with xdebug >= 3.0 when not in develop mode
  [Serializer] Fix type for missing property
  add test for JSON response with null as content
  [Filesystem] Fix dumpFile `stat failed` error hitting custom handler
  Return false in isTtySupported() when open_basedir restrictions prevent access to /dev/tty.
  Remove calls to `TestCase::iniSet()` and calls to deprecated methods of `MockBuilder`
  [PhpUnitBridge] Fix `DeprecationErrorHandler` with PhpUnit 10

This reverts commit 2c9352dd91ebaf37b8a3e3c26fd8e1306df2fb73, reversing
changes made to 18c3e87f1512be2cc50e90235b144b13bc347258.

* 5.4:
  Revert "minor #54653 Auto-close PRs on subtree-splits (nicolas-grekas)"

* 6.4:
  Remove subtree split checks
  Revert "minor #54653 Auto-close PRs on subtree-splits (nicolas-grekas)"