minor #33057 [HttpKernel] Lower EOL date (derrabus)
minor #33057 [HttpKernel] Lower EOL date (derrabus)

This PR was merged into the 5.0-dev branch.

Discussion
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[HttpKernel] Lower EOL date

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

This PR implements the changes described in https://symfony.com/blog/symfony-maintenance-changes-for-standard-releases:

> Symfony 5.0 will be the first release to implement the change: EOM and EOL dates will be July 2020.

Commits
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88f52a1719 Lower EOL date.

symfony/http-kernel,symfony/HttpKernel