chore: add missing set theme change file in #10210 (#11143)

.changes/set-theme-api.md

@@ -0,0 +1,5 @@
+---
+"@tauri-apps/api": "patch:feat"
+---
+
+Add the ability to set theme dynamically using `Window.setTheme` or `setTheme` function from the `app` module

.changes/set-theme.md

@@ -0,0 +1,7 @@
+---
+"tauri": "patch:feat"
+"tauri-runtime": patch:feat
+"tauri-runtime-wry": patch:feat
+---
+
+Add the ability to set theme dynamically using `Window::set_theme`, `App::set_theme`