Minor changes to the jdk-updates ground rules

[Severin Gehwolf]

On Thu, 2023-09-21 at 16:42 +0000, Robert Mckenna wrote:
> Hi folks,
> 
> Rule 2 of the Ground Rules[0] states that "Changes submitted for a
> JDK Update repo MUST go through code review, and MUST be approved."
> 
> I would like to change that wording to clear up some ambiguity:
> 
> "Changes submitted for a JDK Update repo MUST meet the criteria set
> out in the code review page, and MUST have push approval."
> 
> I'll make this edit on Friday the 29th of September unless there are
> any substantive objections.

Thanks for doing this, Rob! It makes more sense in light of slightly
different rules within the different versions within jdk-updates (and
the newly added help from the bots).

Thanks,
Severin

>     -Rob
> 
> [0] https://openjdk.org/projects/jdk-updates/groundrules.html
>