Update example tests

Author: mdmintz

examples/github_test.py

@@ -16,7 +16,7 @@ def test_github(self):
             self.get_new_driver(
                 agent="""Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) """
                       """AppleWebKit/537.36 (KHTML, like Gecko) """
-                      """Chrome/86.0.4240.198 Safari/537.36""")
+                      """Chrome/90.0.4430.85 Safari/537.36""")
         self.open("https://github.com/search?q=SeleniumBase")
         self.slow_click('a[href="/seleniumbase/SeleniumBase"]')
         self.click_if_visible('[data-action="click:signup-prompt#dismiss"]')

examples/test_apple_site.py

@@ -13,7 +13,7 @@ def test_apple_developer_site_webdriver_instructions(self):
             self.get_new_driver(
                 agent="""Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) """
                       """AppleWebKit/537.36 (KHTML, like Gecko) """
-                      """Chrome/86.0.4240.198 Safari/537.36""")
+                      """Chrome/90.0.4430.85 Safari/537.36""")
         self.open("https://developer.apple.com/search/")
         title = "Testing with WebDriver in Safari"
         self.type('[placeholder*="developer.apple.com"]', title + "\n")