v11.43.2

• [11.x] Add missing test for implode() by @nuernbergerA in #54704
• [11.x] Enhance eventStream to Support Custom Events and Start Messages by @devhammed in #54695
• Revert "[11.x] Enhance eventStream to Support Custom Events and Start Messages" by @taylorotwell in #54714
• [11.x] Replace MD5 with xxh128 in File::hasSameHash() by @vlakoff in #54690
• [11.x] Add parameter typing for closure to addGlobalScope method by @jnoordsij in #54677
• [11.x] assertOnlyJsonValidationErrors / assertOnlyInvalid by @gdebrauwer in #54678
• [11.x] Allow for assertions against QueueFake::pushRaw() by @cosmastech in #54703
• [11.x] Fix: Handles non nested explode of multiple Date and Numeric rules in ValidationRuleParser by @AlexandreMeledandri in #54718