RFR: More details for Skara backports [v2]

[Iris Clark]

On Wed, 5 Jun 2024 19:43:21 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

>> Added some more details around using the /backport command.
>
> Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Making it better

Marked as reviewed by iris (Reviewer).

src/guide/backporting.md line 63:

> 61: The Skara tooling includes support for backports. [The official Skara documentation](https://wiki.openjdk.org/display/SKARA/Backports) describes in detail how to work with the tooling to create backport PRs on [GitHub](https://github.com) or using the CLI tools. As described in the documentation, the [`/backport`](https://wiki.openjdk.org/display/SKARA/Commit+Commands#CommitCommands-/backport) command can be used on a commit or a PR to create the backport PR:
> 62: 
> 63:     /backport jdk21u

Only the JDK 21 Updates Maintainers would backport to the `jdk21u` repository.  All other Committers/Reviewers would backport to `jdk21u-dev`.  Depending on the intended audience, you may want to update this example.

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PR Review: https://git.openjdk.org/guide/pull/124#pullrequestreview-2100167796
PR Review Comment: https://git.openjdk.org/guide/pull/124#discussion_r1628362755