[jdk22] RFR: 8323241: jcmd manpage should use lists for argument lists

[David Holmes]

Backport of https://github.com/openjdk/jdk/commit/075fed91bd144d94328e198b41ea2946961940e9 which was reviewed by Alan Bateman.

The backport is not clean as one item in mainline does not exist in JDK 22.

Thanks.

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Commit messages:
 - Backport 075fed91bd144d94328e198b41ea2946961940e9

Changes: https://git.openjdk.org/jdk22/pull/48/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk22&pr=48&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8323241
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk22/pull/48.diff
  Fetch: git fetch https://git.openjdk.org/jdk22.git pull/48/head:pull/48

PR: https://git.openjdk.org/jdk22/pull/48