fix: timestamp as microseconds

[dark0dave]

Fixes #1579
Timestamps are now parsed by Big Query, rather than treating them as milliseconds they are now correctly treated as microseconds

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[dark0dave]

I can confirm this is fixed by this pr:

Lines 1->14 use the old release. And line 15 I am using a local snapshot from my pr.

[dark0dave]

CLA signed can we get this merged?

[dark0dave]

@blakeli0 could you review?

[geirsagberg]

@dark0dave I don't think this fixes #1580 ; Timestamp.valueOf("2022-01-01T12:00:00Z") will still fail :(

[dark0dave]

@geirsagberg will fix in another pr. Lets get this fix in first.

[dark0dave]

@stephaniewang526 updated for lint to pass.

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[stephaniewang526]

This is resolved as part of #1589