chore: prepare release 1.12.3 (#508)

> [!IMPORTANT]
> Merging this PR will create a new release.

## Fixes

* Fixed text autocomplete issues
([#487](#487) by @nushea)
* Fix crash when url contains malformed/dangling uri components.
([#512](#512) by @7w1)

Author: 7w1

.changeset/emoji-autoselect-fix.md

@@ -1,5 +1,12 @@
 # Sable Client Changelog
 
+## 1.12.3 (2026-03-24)
+
+### Fixes
+
+* Fixed text autocomplete issues ([#487](https://github.com/SableClient/Sable/pull/487) by @nushea)
+* Fix crash when url contains malformed/dangling uri components. ([#512](https://github.com/SableClient/Sable/pull/512) by @7w1)
+
 ## 1.12.2 (2026-03-24)
 
 ### Fixes

.changeset/fix-uri-crash.md

@@ -1,6 +1,6 @@
 {
   "name": "sable",
-  "version": "1.12.2",
+  "version": "1.12.3",
   "description": "An almost stable Matrix client",
   "type": "module",
   "packageManager": "pnpm@10.32.1+sha512.a706938f0e89ac1456b6563eab4edf1d1faf3368d1191fc5c59790e96dc918e4456ab2e67d613de1043d2e8c81f87303e6b40d4ffeca9df15ef1ad567348f2be",