Update symfony/dotenv requirement from ^4.2 to ^5.4

[dependabot]

Updates the requirements on symfony/dotenv to permit the latest version.

Release notes

Sourced from symfony/dotenv's releases.

v5.4.0

Changelog (symfony/dotenv@v5.4.0-RC1...v5.4.0)

• no significant changes

Changelog

Sourced from symfony/dotenv's changelog.

CHANGELOG

5.4

• Add dotenv:dump command to compile the contents of the .env files into a PHP-optimized file called .env.local.php
• Add debug:dotenv command to list all dotenv files with variables and values
• Add $overrideExistingVars on Dotenv::bootEnv() and Dotenv::loadEnv()

5.1.0

• added Dotenv::bootEnv() to check for .env.local.php before calling Dotenv::loadEnv()
• added Dotenv::setProdEnvs() and Dotenv::usePutenv()
• made Dotenv's constructor accept $envKey and $debugKey arguments, to define the name of the env vars that configure the env name and debug settings
• deprecated passing $usePutenv argument to Dotenv's constructor

5.0.0

• using putenv() is disabled by default

4.3.0

• deprecated use of putenv() by default. This feature will be opted-in with a constructor argument to Dotenv

4.2.0

• added Dotenv::overload() and $overrideExistingVars as optional parameter of Dotenv::populate()
• added Dotenv::loadEnv() to load a .env file and its corresponding .env.local, .env.$env and .env.$env.local files if they exist

3.3.0

• [BC BREAK] Since v3.3.7, the latest Dotenv files override the previous ones. Real env vars are not affected and are not overridden.
• added the component

Commits

• 9bd173f Allow v3 contracts where possible
• 0c5d051 Merge branch '5.3' into 5.4
• 97ffd38 do not pass a boolean to the constructor of the Dotenv class
• 39059de Merge branch '5.3' into 5.4
• 6633083 Merge branch '4.4' into 5.3
• de87d7b [Dotenv] Duplicate $_SERVER values in $_ENV if they don't exist
• 6fcefaa [Dotenv][Runtime] Add $overrideExistingVars to bootEnv() and loadEnv() and do...
• bb0e32e Merge branch '5.3' into 5.4
• 46a528c [Dotenv] Fix testBootEnv() to start from a fresh context
• a188c79 Merge branch '5.3' into 5.4
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)