This PR was merged into the 7.3 branch.

Discussion
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[HttpKernel] Fix Symfony 7.3 end of maintenance date

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | #60618
| License       | MIT

the end of maintenance date was somehow forgotten during the 7.3.0 release process

as before
symfony/symfony#41461

![obraz](https://github.com/user-attachments/assets/6affc7ed-caff-4d07-b08d-534141909a36)

Commits
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5440dad7702 [HttpKernel] Fix Symfony 7.3 end of maintenance date

* 6.4:
  Silence E_DEPRECATED and E_USER_DEPRECATED
  [HttpCache] Hit the backend only once after waiting for the cache lock
  fix compatibility with Symfony 7.4

* 7.2:
  Silence E_DEPRECATED and E_USER_DEPRECATED
  [HttpCache] Hit the backend only once after waiting for the cache lock
  fix compatibility with Symfony 7.4
  [Form] Keep submitted values when keep_as_list option of collection type is enabled
  [Form] Fix `keep_as_list` when data is not an array

…l file uploads (santysisi)

This PR was merged into the 7.2 branch.

Discussion
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[HttpKernel] Fix `#[MapUploadedFile]` handling for optional file uploads

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | Fix #58590
| License       | MIT

This PR fixes a bug with the `#[MapUploadedFile]` attribute in routes, where an optional ?UploadedFile parameter does not behave as expected when no file is provided.

Commits
-------

fba1f456860 [HttpKernel] Fix `#[MapUploadedFile]` handling for optional file uploads

* 7.2:
  -
  [Console] Table counts wrong column width when using colspan and `setColumnMaxWidth()`
  [Console] Table counts wrong number of padding symbols in `renderCell()` method when cell contain unicode variant selector
  [Cache] Fix using a `ChainAdapter` as an adapter for a pool
  [Serializer] Fix collect_denormalization_errors flag in defaultContext
  [TypeInfo] Fix handling `ConstFetchNode`
  [VarDumper] Avoid deprecated call in PgSqlCaster
  Fix command option mode (InputOption::VALUE_REQUIRED)
  use an EOL-agnostic approach to parse class uses
  [Uid] Improve entropy of the increment for UUIDv7
  [HttpKernel] Fix `#[MapUploadedFile]` handling for optional file uploads