Update RELEASE_NOTES.md for 1.4.37 release (#5841)

Author: Arkatufus

Diff for: RELEASE_NOTES.md

@@ -1,3 +1,17 @@
+#### 1.4.37 April 14 2022 ####
+Akka.NET v1.4.37 is a minor release that contains some minor bug fixes.
+
+* [Persistence.Query: Change AllEvents query failure log severity from Debug to Error](https://github.com/akkadotnet/akka.net/pull/5835)
+* [Coordination: Harden LeaseProvider instance Activator exception handling](https://github.com/akkadotnet/akka.net/pull/5838)
+* [Akka: Make ActorSystemImpl.Abort skip the CoordinatedShutdown check](https://github.com/akkadotnet/akka.net/pull/5839)
+
+If you want to see the [full set of changes made in Akka.NET v1.4.37, click here](https://github.com/akkadotnet/akka.net/milestone/68?closed=1).
+
+| COMMITS | LOC+ | LOC- | AUTHOR              |
+|---------|------|------|---------------------|
+| 3       | 15   | 4    | Gregorius Soedharmo |
+| 1       | 2    | 2    | dependabot[bot]     |
+
 #### 1.4.36 April 4 2022 ####
 Akka.NET v1.4.36 is a minor release that contains some bug fixes. Most of the changes have been aimed at improving our web documentation and code cleanup to modernize some of our code.