RFR: 7903406: Update jtreg to bundle JUnit 5.9.2 [v4]

[Christian Stein]

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

Christian Stein has updated the pull request incrementally with one additional commit since the last revision:

  Adopt expected test summary

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Changes:
  - all: https://git.openjdk.org/jtreg/pull/144/files
  - new: https://git.openjdk.org/jtreg/pull/144/files/a10650ef..99936c20

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jtreg&pr=144&range=03
 - incr: https://webrevs.openjdk.org/?repo=jtreg&pr=144&range=02-03

  Stats: 8 lines in 1 file changed: 0 ins; 0 del; 8 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