docs: update coverage statistics

Author: Sisyphus

README.md

@@ -199,7 +199,7 @@ bun run test:watch
 
 ### Test Statistics
 
-- **Total Tests**: 475+
+- **Total Tests**: 267+
 - **Coverage**: >95%
 - **Test Files**: 9
 - **Components Tested**: 3

packages/astro-gravatar/README.md

@@ -258,7 +258,7 @@ This package is extensively tested using Bun's built-in test runner.
 
 ### Test Statistics
 
-- **Total Tests**: 475+
+- **Total Tests**: 267+
 - **Line Coverage**: 97.69%
 - **Function Coverage**: 95.83%
 - **Overall Coverage**: >95%