[BUGFIX] Bring back support for random hash base in TYPO3 v12 (fix)

This commit resolve PHPStan errors caused by @phpstan-ignore-next-line

```
No error to ignore is reported on line 19.
No error to ignore is reported on line 26.
No error to ignore is reported on line 28.
```

Author: klamparski

phpstan.neon

@@ -14,8 +14,16 @@ parameters:
 
   ignoreErrors:
     # @todo This ignoreError can be removed when support for TYPO3 v12 is dropped
-    - message: "#Parameter \\$beforePageCacheIdentifierIsHashedEvent of method SourceBroker\\\\T3api\\\\EventListener\\\\EnrichPageCacheIdentifierParametersEventListener::__invoke\\(\\) has invalid type TYPO3\\\\CMS\\\\Frontend\\\\Event\\\\BeforePageCacheIdentifierIsHashedEvent#"
+    -
+      message: "#Parameter \\$beforePageCacheIdentifierIsHashedEvent of method SourceBroker\\\\T3api\\\\EventListener\\\\EnrichPageCacheIdentifierParametersEventListener::__invoke\\(\\) has invalid type TYPO3\\\\CMS\\\\Frontend\\\\Event\\\\BeforePageCacheIdentifierIsHashedEvent#"
+      reportUnmatched: false
+
     # @todo This ignoreError can be removed when support for TYPO3 v12 is dropped
-    - message: "#Call to method setPageCacheIdentifierParameters\\(\\) on an unknown class TYPO3\\\\CMS\\\\Frontend\\\\Event\\\\BeforePageCacheIdentifierIsHashedEvent#"
+    -
+      message: "#Call to method setPageCacheIdentifierParameters\\(\\) on an unknown class TYPO3\\\\CMS\\\\Frontend\\\\Event\\\\BeforePageCacheIdentifierIsHashedEvent#"
+      reportUnmatched: false
+
     # @todo This ignoreError can be removed when support for TYPO3 v12 is dropped
-    - message: "#Call to method getPageCacheIdentifierParameters\\(\\) on an unknown class TYPO3\\\\CMS\\\\Frontend\\\\Event\\\\BeforePageCacheIdentifierIsHashedEvent#"
+    -
+      message: "#Call to method getPageCacheIdentifierParameters\\(\\) on an unknown class TYPO3\\\\CMS\\\\Frontend\\\\Event\\\\BeforePageCacheIdentifierIsHashedEvent#"
+      reportUnmatched: false