Prepare release 1.1.0 (#60)

Update changelog

Author: smnandre

CHANGELOG.md

@@ -1,5 +1,12 @@
 # CHANGELOG
 
+## [1.1.0] - 2025-12-23
+
+### Added
+- PDF generation support via `Page::pdf()`
+- Typed `Options` classes (e.g., `ClickOptions`, `PdfOptions`)
+- Frame, Locator and Selector implements `Stringable`
+
 ## [1.0.0] - 2025-11-08
 
 ### Added
@@ -13,5 +20,3 @@
 ### Changed
 - Marked package as stable (removed experimental warning)
 - Added PHPUnit 10+ requirement documentation for testing trait
-
-