feat(GPS): allow send attributes in Google PubSub message.

[p-pichet]

No description provided.

[p-pichet]

@makasim this one should be good.

[Steveb-p]

One of the tests requires an update, since you're changing behavior slightly.

All others are deprecations and warnings (these are awful, but it is how it is).

There was 1 failure:

1) Enqueue\Gps\Tests\GpsProducerTest::testShouldSendMessage
Expectation failed for method name is "publish" when invoked 1 time(s)
Parameter 0 for invocation Google\Cloud\PubSub\Topic::publish(Array (...), Array ()) does not match expected value.
Failed asserting that two arrays are identical.
--- Expected
+++ Actual
@@ @@
 Array &0 (
     'data' => '{"body":"","properties":[],"headers":[]}'
+    'attributes' => Array &1 ()
 )

/home/runner/work/enqueue-dev/enqueue-dev/pkg/gps/GpsProducer.php:42
/home/runner/work/enqueue-dev/enqueue-dev/pkg/gps/Tests/GpsProducerTest.php:55
phpvfscomposer:///home/runner/work/enqueue-dev/enqueue-dev/vendor/phpunit/phpunit/phpunit:60

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[p-pichet]

thanks @Steveb-p
The first PR decide to run the CI, i see to close this one