Use a different cache dir in each test file

Fixes oven-sh#9978 (oven-sh#9995)

```sh-diff doesn't work

Bun 1.1

fix: EnvStr.initSlice handles zero length strings more reliably. (ove…

…n-sh#9698)

* fix intcast on ptr value of zero-length strings

* Make this better

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Co-authored-by: Jarred Sumner <[email protected]>
Co-authored-by: Jarred Sumner <[email protected]>

add regression test

windows: test\js\bun\test\test-test.test.ts passes (oven-sh#9554)

check is callable in util promisify timers (oven-sh#9482)

* Update CMakeLists.txt

* Check is callable in util promisify

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Co-authored-by: Jarred Sumner <[email protected]>

Fixes oven-sh#9430 (oven-sh#9472)

Co-authored-by: Jarred Sumner <[email protected]>

Don't link libicudata? (oven-sh#9424)

* Don't link libicudata?

* Fixups

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Co-authored-by: Jarred Sumner <[email protected]>