Update to 8.4.0

[Mpdreamz]

• This commit ensures the generated types have proper xmldocs.
• Update 8.4.0
• Also allows for entity reference properties to be normalized as arrays.

[apmmachine]

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• Start Time: 2022-08-27T18:52:16.756+0000

• Duration: 17 min 13 sec

Test stats :test_tube:

Test	Results
Failed	0
Passed	94
Skipped	2
Total	96

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[Mpdreamz]

It should @andreycha I've created a separate issue to address this, thanks for catching this.

Merging this in as self reviewed c @gregkalapos @z1c0