[externals] UCRT64 support (#4035)

Testing which deps can't cross MSVCRT/UCRT barriers

- openssl
- Qt

FFmpeg and Sirit are fine--likely don't use the C99 APIs that MSVCRT is missing?

Closes #4022

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4035

docs/CPMUtil/AddJsonPackage.md

@@ -61,7 +61,8 @@ In order: OpenSSL CI, Boost (tag + artifact), Opus (options + find_args), discor
         "version": "3.6.0",
         "min_version": "1.1.1",
         "disabled_platforms": [
-            "macos-universal"
+            "macos-universal",
+            "ios-aarch64"
         ]
     },
     "boost": {