Update RELEASE_NOTES.md for 1.5.46 (#69)

Author: Mattias Jakobsson

RELEASE_NOTES.md

@@ -1,3 +1,7 @@
+#### 1.5.46 August 4th, 2025 ####
+* [Bumped Akka to version 1.5.46](https://github.com/akkadotnet/akka.net/releases/tag/1.5.46)
+* [Added option to disable revision check](https://github.com/akkadotnet/Akka.Persistence.EventStore/pull/68)
+
 #### 1.5.42 May 22nd, 2025 ####
 * [Bumped Akka to version 1.5.42](https://github.com/akkadotnet/akka.net/releases/tag/1.5.42)
 * [Use the new Akka.Persistence cancellation token API](https://github.com/akkadotnet/Akka.Persistence.EventStore/pull/64)