docs: release notes for the v16.2.3 release

Author: thePunderWoman

CHANGELOG.md

@@ -1,3 +1,28 @@
+<a name="16.2.3"></a>
+# 16.2.3 (2023-08-30)
+### animations
+| Commit | Type | Description |
+| -- | -- | -- |
+| [04c6574280](https://github.com/angular/angular/commit/04c65742802537c8bd725f9a7a931955a67684d9) | fix | remove unnecessary escaping in regex expressions ([#51554](https://github.com/angular/angular/pull/51554)) |
+### compiler-cli
+| Commit | Type | Description |
+| -- | -- | -- |
+| [dbd761f528](https://github.com/angular/angular/commit/dbd761f528a08cba0fbdd476b115e1445683cf36) | fix | correct incomplete escaping ([#51557](https://github.com/angular/angular/pull/51557)) |
+| [5c36fc784f](https://github.com/angular/angular/commit/5c36fc784f292608f7485c5513aeb98e5745d17c) | fix | remove unnecessary escaping in regex expressions ([#51554](https://github.com/angular/angular/pull/51554)) |
+### core
+| Commit | Type | Description |
+| -- | -- | -- |
+| [dcd1add06f](https://github.com/angular/angular/commit/dcd1add06f9facb87de89c144967cc95a2dac27c) | fix | correct incomplete escaping ([#51557](https://github.com/angular/angular/pull/51557)) |
+| [20d62603c2](https://github.com/angular/angular/commit/20d62603c2f86c810fda0b3b503327dce232a6d3) | fix | handle hydration of view containers that use component hosts as anchors ([#51456](https://github.com/angular/angular/pull/51456)) |
+| [e6b301caa2](https://github.com/angular/angular/commit/e6b301caa25c1532a4db2e8521bdea3f911316b1) | fix | remove unnecessary escaping in regex expressions ([#51554](https://github.com/angular/angular/pull/51554)) |
+| [0c7c852ee7](https://github.com/angular/angular/commit/0c7c852ee7ba3c1943cafce4c58760eef1b0aea4) | fix | run afterRender callbacks outside of the Angular zone ([#51551](https://github.com/angular/angular/pull/51551)) |
+### language-service
+| Commit | Type | Description |
+| -- | -- | -- |
+| [8081fdd22d](https://github.com/angular/angular/commit/8081fdd22d6889f92e11cbe4c53d80bddd496a9a) | fix | correct incomplete escaping ([#51557](https://github.com/angular/angular/pull/51557)) |
+
+<!-- CHANGELOG SPLIT MARKER -->
+
 <a name="17.0.0-next.1"></a>
 # 17.0.0-next.1 (2023-08-23)
 ### common