Tests fail because creating the Edge browser for the tests takes too long

[fedejeanne]

Describe the bug
Creating the Edge browser for the tests in Test_org_eclipse_swt_browser_Browser takes too long.

creating browser took too long: 23811ms
java.lang.AssertionError: creating browser took too long: 23811ms
	at org.junit.Assert.fail(Assert.java:89)
	at org.junit.Assert.assertTrue(Assert.java:42)
	at org.eclipse.swt.tests.junit.Test_org_eclipse_swt_browser_Browser.createBrowser(Test_org_eclipse_swt_browser_Browser.java:311)
	at org.eclipse.swt.tests.junit.Test_org_eclipse_swt_browser_Browser.setUp(Test_org_eclipse_swt_browser_Browser.java:184)
...

To Reproduce
It fails intermittently in GH Actions e.g. in this one: https://github.com/eclipse-platform/eclipse.platform.swt/actions/runs/12374507303/job/34537197042?pr=1672

Environment:

1. Select the platform(s) on which the behavior is seen:

• • All OS
• • Windows
• • Linux
• • macOS

Version since
Ever since #672 has been merged and both Edge and IE are tested