Updating release notes for 4.5.1.0

Author: foundationdb-ci

docs/sphinx/source/ReleaseNotes.md

@@ -5,6 +5,43 @@ This document contains a log of changes to the FoundationDB Record Layer. It aim
 
 As the [versioning guide](Versioning.md) details, it cannot always be determined solely by looking at the version numbers whether one Record Layer version contains all changes included in another. In particular, bug fixes and backwards-compatible changes might be back-ported to or introduced as patches against older versions. To track when a patch version has been included in the main release train, some releases will say as a note that they contain all changes from a specific patch.
 
+## 4.5
+
+### 4.5.1.0
+
+<h4> Breaking Changes </h4>
+
+* Update to minor version 4.5 in recognition of incompatibility with older 4.3 versions - [PR #3508](https://github.com/FoundationDB/fdb-record-layer/pull/3508)
+* Remove QueryHashable - [PR #3392](https://github.com/FoundationDB/fdb-record-layer/pull/3392)
+<h4> Bug Fixes </h4>
+
+* Enable AggregateCursorContinuation serialize to the new implementation - [PR #3495](https://github.com/FoundationDB/fdb-record-layer/pull/3495)
+
+<details>
+<summary>
+
+<h4> Build/Test/Documentation/Style Improvements (click to expand) </h4>
+
+</summary>
+
+* Introduce option to setup transaction before executing queries - [PR #3471](https://github.com/FoundationDB/fdb-record-layer/pull/3471)
+* Omit portions of stack trace that are just junit in test summary - [PR #3499](https://github.com/FoundationDB/fdb-record-layer/pull/3499)
+
+</details>
+
+
+**[Full Changelog (4.4.15.0...4.5.1.0)](https://github.com/FoundationDB/fdb-record-layer/compare/4.4.15.0...4.5.1.0)**
+
+#### Mixed Mode Test Results
+
+Mixed mode testing run against the following previous versions:
+
+✅`4.4.3.0`, ✅`4.4.4.0`, ❌`4.4.7.0`, ❌`4.4.8.0`, ❌`4.4.9.0`, ❌`4.4.10.0`, ❌`4.4.11.0`, ✅`4.4.12.0`, ✅`4.4.14.0`, ✅`4.4.15.0`
+
+[See full test run](https://github.com/FoundationDB/fdb-record-layer/actions/runs/16597262218)
+
+
+
 ## 4.4
 
 ### 4.4.15.0