[jdk20] RFR: 8298894: java/lang/Thread/virtual/stress/Skynet.java timed out and threw OutOfMemoryError

[Alan Bateman]

This test started timing out recently on macosx-x64 when testing debug builds with ZGC. The test needs more heap so that it doesn't fail with OOME.

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Commit messages:
 - Initial commit

Changes: https://git.openjdk.org/jdk20/pull/54/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=54&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8298894
  Stats: 4 lines in 2 files changed: 0 ins; 2 del; 2 mod
  Patch: https://git.openjdk.org/jdk20/pull/54.diff
  Fetch: git fetch https://git.openjdk.org/jdk20 pull/54/head:pull/54

PR: https://git.openjdk.org/jdk20/pull/54