Closes #926 Update container to v4

[remyperona]

Description

Fixes #926

Type of change

• Enhancement (non-breaking change which improves an existing functionality).

Detailed scenario

No steps to reproduce, there should be no visible difference (except a possible small performance improvement)

Technical description

Documentation

Update the container to v4, with the following changes:

• replace share() method by addShared()
• implement new method provides()
• update classes instantiation to use class name instead of alias and get() method

New dependencies

league/container: ^4.2

Mandatory Checklist

Code validation

• I validated all the Acceptance Criteria. If possible, provide screenshots or videos.
• I triggered all changed lines of code at least once without new errors/warnings/notices.

Code style

• I wrote a self-explanatory code about what it does.
• I protected entry points against unexpected inputs.
• I did not introduce unnecessary complexity.