RFR: 7903406: Update jtreg to bundle JUnit 5.9.2

[Christian Stein]

Update jtreg to bundle [JUnit 5.9.2](https://github.com/junit-team/junit5/releases/tag/r5.9.2).

- sha1 stored in Maven Central [junit-platform-console-standalone-1.9.2.jar.asc.sha1](https://repo.maven.apache.org/maven2/org/junit/platform/junit-platform-console-standalone/1.9.2/junit-platform-console-standalone-1.9.2.jar.asc.sha1)
  - `1cf82f1061e31e79486c5add066f489675ea7cfb`
- sha1 computed by jtreg build script
  - `bb856bc86a6e6cd48080546afcaf7a210713ea21`

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Commit messages:
 - 7903406: Update jtreg to bundle JUnit 5.9.2

Changes: https://git.openjdk.org/jtreg/pull/144/files
 Webrev: https://webrevs.openjdk.org/?repo=jtreg&pr=144&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903406
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jtreg/pull/144.diff
  Fetch: git fetch https://git.openjdk.org/jtreg pull/144/head:pull/144

PR: https://git.openjdk.org/jtreg/pull/144