feat: configurable chunk size for conditional availability events (#241)

- add own queue message processor plugins (`ConditionalAvailabilityQueueMessageProcessorPlugin` & `ConditionalAvailabilityRetryQueueMessageProcessorPlugin`)
- add config method for getting own event chunk size
- add required event facade per bridge
- add phpcs fixes
- ...

tests/FondOfImpala/Zed/ProductImageGroupingProductPageSearch/Business/Expander/ProductImageGroupedPageDataExpanderTest.php

@@ -99,7 +99,7 @@ public function testExpandProductPageData(): void
             ->method('setGroupedProductImages')
             ->with(
                 static::callback(
-                    static fn (array $groupedProductImages): bool => array_keys($groupedProductImages) == [$key]
+                    static fn (array $groupedProductImages): bool => array_keys($groupedProductImages) == [$key],
                 ),
             )->willReturn($this->pageSearchTransferMock);
 
@@ -147,7 +147,7 @@ public function testExpandProductPageDataWithEmptyImageSetName(): void
             ->method('setGroupedProductImages')
             ->with(
                 static::callback(
-                    static fn (array $groupedProductImages): bool => array_keys($groupedProductImages) == ['*']
+                    static fn (array $groupedProductImages): bool => array_keys($groupedProductImages) == ['*'],
                 ),
             )->willReturn($this->pageSearchTransferMock);
 
@@ -195,7 +195,7 @@ public function testExpandProductPageDataWithNullableImageSetName(): void
             ->method('setGroupedProductImages')
             ->with(
                 static::callback(
-                    static fn (array $groupedProductImages): bool => array_keys($groupedProductImages) == ['*']
+                    static fn (array $groupedProductImages): bool => array_keys($groupedProductImages) == ['*'],
                 ),
             )->willReturn($this->pageSearchTransferMock);