RFR: CODETOOLS-7903365: jcstress: Update pre-integration testing workflows

[Aleksey Shipilev]

Time to update our workflows: new JDKs, new OSes, new GH plugins.

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Commit messages:
 - Fix

Changes: https://git.openjdk.org/jcstress/pull/123/files
 Webrev: https://webrevs.openjdk.org/?repo=jcstress&pr=123&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903365
  Stats: 12 lines in 1 file changed: 1 ins; 5 del; 6 mod
  Patch: https://git.openjdk.org/jcstress/pull/123.diff
  Fetch: git fetch https://git.openjdk.org/jcstress pull/123/head:pull/123

PR: https://git.openjdk.org/jcstress/pull/123