Remove top-level await from the `postinstall` script

[filipsobol]

Suggested merge commit message (convention)

Internal: Remove top-level await from the postinstall script.

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Additional information

For example – encountered issues, assumptions you had to make, other affected tickets, etc.

[coveralls]

Pull Request Test Coverage Report for Build 10ff073b-1e88-4cac-98e6-0cadaea09bca

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build c2ac36ef-32f9-4951-b83d-f2e9c0cbc5d0:	0.0%
Covered Lines:	57
Relevant Lines:	57

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💛 - Coveralls