feat(store): export TypedAction

[NathanLaing]

Export TypedAction from Store

Closes #4136

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/ngrx/platform/blob/main/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
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[X] Other... Please describe:

API change - exports new type

What is the current behavior?

No export

Closes #4136

What is the new behavior?

Exports TypedAction

Does this PR introduce a breaking change?

[ ] Yes
[X] No

Other information

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[timdeschryver]

Thanks for the PR @NathanLaing
We're currently looking into another fix to resolve this issue.
That's why we haven't merged this in.

I'll keep this PR open for now, it can be approved or closed later.

[markostanimirovic]

closing this PR in favor of #4318