RFR: Misc minor updates

[Iris Clark]

On Fri, 26 Jul 2024 15:34:17 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

> * Updated code owners
> * Removed text duplication around the -na labels
> * Fixed typos
> * Changed the order of fields in the Release Note creation to match the order in JBS and added a note about Component/Subcomponent

Marked as reviewed by iris (Reviewer).

src/guide/code-owners.md line 230:

> 228: * `jdk.internal.vm.compiler.management` – Compiler (Removed in [22](https://bugs.openjdk.org/browse/JDK-8318027))
> 229: * `jdk.pack` – Tools (Removed in [14](https://bugs.openjdk.org/browse/JDK-8234596))
> 230: * `jdk.random` – Core Libs (Unknown when it was Removed)

Maybe add a reference to this RN?  https://bugs.openjdk.org/browse/JDK-8331843

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PR Review: https://git.openjdk.org/guide/pull/132#pullrequestreview-2202377004
PR Review Comment: https://git.openjdk.org/guide/pull/132#discussion_r1693396091