RFR: Updated Code Owners for JDK 20 [v3]

[Iris Clark]

On Tue, 23 May 2023 22:53:21 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

>> This should be done after each release to make sure the list is kept up to date.
>
> Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Updated based on feedback

Marked as reviewed by iris (Reviewer).

src/guide/code-owners.md line 174:

> 172:   * `jdk.internal.vm.compiler` – Compiler
> 173:   * `jdk.internal.vm.compiler.management` – Compiler
> 174:   * `jdk.jartool` – Generic List, Security

jartool (and APIs defined in `java.util.jar`) are both discussed/reviewed in Core Libs

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PR Review: https://git.openjdk.org/guide/pull/103#pullrequestreview-1440791825
PR Review Comment: https://git.openjdk.org/guide/pull/103#discussion_r1203257076