chore: fix generated query function promise type

[rodymolenaar]

This fixes TypeScript errors complaining about assigning to Promise#cancel. I chose for a specific CancellablePromise<T> type instead of extending the globalThis promise.

[github-actions]

==== Benchmark result ====

Total benchmarks: 9
          Passed: 9
          Failed: 0
-----------
object validator simple      5000000  iterations     474  ns/op
object validator nested        50000  iterations   46968  ns/op
logger - strings              500000  iterations    3303  ns/op
logger - objects              500000  iterations    4373  ns/op
logger - deep objects         200000  iterations    5017  ns/op
uuid                         2000000  iterations     552  ns/op
uuid.isValid                10000000  iterations     161  ns/op
isNil                      500000000  iterations       0  ns/op
isPlainObject              100000000  iterations      19  ns/op

[github-actions]

==== C8 test coverage ====
Statements: 79.04% ( 15944/20171 )
Branches : 78.38% ( 1932 /2465 )
Functions : 75.07% ( 554 /738 )
Lines : 79.04% ( 15944 /20171 )

[dirkdev98]

You probably want a release as soon as possible?

[dirkdev98]

We should really have #78 so these kind of things are catched before release