feat: update to Angular v16.0.0-next.6 release

[brandonroberts]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/ngrx/platform/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Documentation has been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Closes

What is the new behavior?

NgRx libraries are built on Angular 16.0.0-next.x versions

Does this PR introduce a breaking change?

[x] Yes
[ ] No

Other information

BREAKING CHANGES:

The minimum required Angular dependencies have been updated

BEFORE:

Minimum version of Angular is v15 libraries

AFTER:

Minimum version of Angular is v16 libraries

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[markostanimirovic]

🚀

[timdeschryver]

Looks good to me!
Feel free to merge this one, as I'm not sure if we intend to work towards v16 now 😅

[brandonroberts]

Thanks! Yep, starting a little earlier this time to get some more validation/integration with the Signal APIs 😄