feat: let users pass sync/async functions for resolving option values for headers/params #1933

Job	Run time
List packages	5s
List examples	5s
Build and test (packages/typescript-client)	1m 25s
Check packages/typescript-client	31s
Build and test (packages/experimental)	58s
Check packages/experimental	32s
Build and test (packages/react-hooks)	59s
Check packages/react-hooks	35s
Check and build examples/encryption	34s
Check and build examples/proxy-auth	57s
Check and build examples/linearlite-read-only	52s
Check and build examples/tanstack	34s
Check and build examples/linearlite	45s
Check and build examples/gatekeeper-auth	27s
Check and build examples/write-patterns	45s
Check and build examples/yjs	1m 0s
Check and build examples/remix	37s
Check and build examples/react	44s
Check and build examples/todo-app	39s
Check and build examples/bash	23s
Check and build examples/nextjs	59s
Check and build examples/redis	32s
	14m 58s

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