Fix regex timeout test by reducing timeout from 10ms to 1ms (#117617)

* Initial plan

* Fix regex timeout test by reducing timeout from 10ms to 1ms

Co-authored-by: ericstj <8918108+ericstj@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: ericstj <8918108+ericstj@users.noreply.github.com>

Author: Copilot

src/libraries/System.Text.RegularExpressions/tests/FunctionalTests/Regex.Match.Tests.cs

@@ -1238,7 +1238,7 @@ private async Task Match_TestThatTimeoutHappens(RegexEngine engine)
             }
             string input = new string(chars);
 
-            Regex re = await RegexHelpers.GetRegexAsync(engine, @"a.{20}^", RegexOptions.None, TimeSpan.FromMilliseconds(10));
+            Regex re = await RegexHelpers.GetRegexAsync(engine, @"a.{20}^", RegexOptions.None, TimeSpan.FromMilliseconds(1));
             Assert.Throws<RegexMatchTimeoutException>(() => { re.Match(input); });
         }