[DependencyInjection] added tags validation when compiling a container
merged branch fabpot/sc-tags-check (PR #9004)

This PR was merged into the master branch.

Discussion
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[DependencyInjection] added tags validation when compiling a container

| Q             | A
| ------------- | ---
| Bug fix?      | yes & no
| New feature?  | yes & no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #7543
| License       | MIT
| Doc PR        | n/a

When using YAML or XML, the tags validadity are checked during loading, but when using PHP, that's not possible.
So, the added step in the compilation phase does that nicely.

Commits
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5cad478 [DependencyInjection] added tags validation when compiling a container