Hackday deprecated 12621

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #12621
| License       | MIT
| Doc PR        | -

[MonologBridge] added the deprecated error trigger in the monolog logger emerg(), crit(), err() and warn() methods
[HttpKernel] added the deprecated error trigger in the NullLogger emerg(), crit(), err() and warn() methods