* Bump APCU and Varnish versions

* fix: apcu

Fix Helm lint

Fix helm configuration

fix Since symfony/dotenv 5.1: Passing a boolean to the constructor of "Symfony\Component\Dotenv\Dotenv" is deprecated, use "Dotenv::usePutenv()"

fix Since symfony/dotenv 5.1: Passing a boolean to the constructor of "Symfony\Component\Dotenv\Dotenv" is deprecated, use "Dotenv::usePutenv()"

Bump symfony/http-kernel from 5.1.3 to 5.1.5 in /api

Bumps [symfony/http-kernel](https://github.com/symfony/http-kernel) from 5.1.3 to 5.1.5.
- [Release notes](https://github.com/symfony/http-kernel/releases)
- [Changelog](https://github.com/symfony/http-kernel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/symfony/http-kernel/compare/v5.1.3...v5.1.5

)

Signed-off-by: dependabot[bot] <support@github.com>

feat: upgrade to Symfony 5.1

feat: bump dependencies

add more logs to docker php enttrypoint

Bump elliptic from 6.5.2 to 6.5.3 in /client

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.2 to 6.5.3.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.5.2...v6.5.3

)

Signed-off-by: dependabot[bot] <support@github.com>

Bump elliptic from 6.5.2 to 6.5.3 in /admin

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.2 to 6.5.3.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.5.2...v6.5.3

)

Signed-off-by: dependabot[bot] <support@github.com>

Add opcache preload config for Production.

fix helm php-deployment.yaml initContainers

Bump websocket-extensions from 0.1.3 to 0.1.4 in /admin

Merge pull request #1551 from api-platform/dependabot/npm_and_yarn/client/websocket-extensions-0.1.4

Bump websocket-extensions from 0.1.3 to 0.1.4 in /client

Q | A
-- | --
Bug fix? | no
New feature? | yes
BC breaks? | no
Deprecations? | no
Tickets |  
License | MIT
Doc PR |  

This adds opcache preload config for the prod php.ini as described here: https://symfony.com/doc/current/performance.html

There is no /bin/bash in the image, use /bin/sh