[py] Check offsets are cast to int. Fixes #7639

Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/SeleniumHQ/selenium
Cr-Mirrored-Commit: 227da4e2b0e18f578985300e31d98661d5dc8756
diff --git a/selenium/webdriver/common/action_chains.py b/selenium/webdriver/common/action_chains.py
index aaae7ed..bf97fca 100644
--- a/selenium/webdriver/common/action_chains.py
+++ b/selenium/webdriver/common/action_chains.py
@@ -290,7 +290,9 @@
          - yoffset: Y offset to move to.
         """
         if self._driver.w3c:
-            self.w3c_actions.pointer_action.move_to(to_element, xoffset, yoffset)
+            self.w3c_actions.pointer_action.move_to(to_element, 
+                                                    int(xoffset), 
+                                                    int(yoffset))
             self.w3c_actions.key_action.pause()
         else:
             self._actions.append(