Remove $middlewareDefinitions from QueueInterface::push()

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	✔️
Tests pass?	✔️

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.82%. Comparing base (42e0b04) to head (9d88450).

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #273   +/-   ##
=========================================
  Coverage     98.82%   98.82%           
- Complexity      313      314    +1     
=========================================
  Files            46       47    +1     
  Lines           853      854    +1     
=========================================
+ Hits            843      844    +1     
  Misses           10       10           

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[samdark]

withMiddlewaresAdded() isn't part of the queue interface.

[samdark]

// new:
$queue->withMiddlewaresAdded($delayMiddleware->withDelay(5 * 60))->push($message);

// vs old:

$queue->push($message, $delayMiddleware->withDelay(5 * 60));

The middleware is still there, but end-user syntax was changed for the worse. Also, withMiddlewaresAdded() is not part of the queue interface.