meta: add Windows ARM64 to flaky-tests list

PR-URL: nodejs#54693
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: avivkeller

.github/ISSUE_TEMPLATE/4-report-a-flaky-test.yml

@@ -35,7 +35,8 @@ body:
         - macOS ARM64
         - macOS x64
         - SmartOS
-        - Windows
+        - Windows ARM64
+        - Windows x64
         - Other
   - type: textarea
     attributes: