Feat : responsive capture feature and Cross Origin Iframe capture (#302)

* Added PERCY_RESPONSIVE_CAPTURE_RELOAD_PAGE

* adding responsive capture feature

* fixing code

* cli version

* added unit testcases and fix:

* resolved copilot comments

* Refactoring code

* resolving comments

* fixing min height

* fix

* fix: address code review feedback for snapshot error handling and responsive capture

- Catch Exception (not just WebDriverException) in snapshot() to prevent caller crashes
- Wrap captureResponsiveDom loop in try/finally to always restore window size
- Replace System.out.println debug statements with log() calls
- Introduce FatalIframeException to replace fragile string matching on "Fatal"
- Fix log(String) indentation
- Add fallback for renamed RESONSIVE_CAPTURE_SLEEP_TIME env var

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* bump version to 2.1.2-alpha.0 for alpha release

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* restore provided scope for selenium-java and test scope for webdrivermanager

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* removing version from pr

* removing version

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: yashmahamulkar-bs

package.json

@@ -4,6 +4,6 @@
     "test": "npx percy exec --testing -- mvn test"
   },
   "devDependencies": {
-    "@percy/cli": "1.30.9"
+    "@percy/cli": "1.31.10"
   }
 }