Use an SDKRoot based Foundation framework

Summary:
When building `igios-no-extensions` with buck2 on linux, we the following analysis error:

```
When running analysis for `fbsource//fbobjc/Apps/Instagram/Instagram:InstagramNoExtensions (fbsource//tools/build_defs/config/platform/apple:Instagram-125ae32099392ce8)`

Caused by:
    0: When running analysis for `fbsource//fbobjc/Apps/Instagram/Instagram:InstagramARVRFrameworkDylibFramework (fbsource//tools/build_defs/config/platform/apple:Instagram-125ae32099392ce8)`
    1: When running analysis for `fbsource//fbobjc/Apps/Instagram/Instagram:InstagramDependencyPoolForLinkGroupsFramework (fbsource//tools/build_defs/config/platform/apple:Instagram-125ae32099392ce8)`
    2: When running analysis for `fbsource//fbobjc/Libraries/FBReactKit:RCTNetInfo (fbsource//tools/build_defs/config/platform/apple:Instagram-125ae32099392ce8)`
    3: When running analysis for `fbsource//xplat/js/RKJSModules/Libraries/NetInfo:FBReactNativeNetInfoSpecApple (fbsource//tools/build_defs/config/platform/apple:Instagram-125ae32099392ce8)`
    4: When running analysis for `fbsource//xplat/js/react-native-github:RCTTypeSafety (fbsource//tools/build_defs/config/platform/apple:Instagram-125ae32099392ce8)`
    5: Traceback (most recent call last):
         * fbcode/buck2/prelude/apple/apple_library.bzl:48, in <module>
             constructor_params, swift_providers = apple_library_rule_constructor_params_a...
         * fbcode/buck2/prelude/apple/apple_library.bzl:111, in apple_library_rule_constructor_params_and_swift_providers
             args = [cmd_args(get_framework_search_path_flags(ctx))],
         * fbcode/buck2/prelude/apple/apple_frameworks.bzl:46, in get_framework_search_path_flags
             return _get_framework_search_path_flags(_get_non_sdk_framework_directories(ct...
         * fbcode/buck2/prelude/apple/apple_frameworks.bzl:59, in _get_non_sdk_framework_directories
             return dedupe(filter(None, [_non_sdk_framework_directory(ctx, x) for x in fra...
         * fbcode/buck2/prelude/apple/apple_frameworks.bzl:95, in _non_sdk_framework_directory
             expanded_framework_path = _expand_sdk_framework_path(ctx, framework_path)
         * fbcode/buck2/prelude/apple/apple_frameworks.bzl:81, in _expand_sdk_framework_path
             expanded_path = expanded_path.replace(path_variable, path_value)
       error: Type of parameter `new` doesn't match, expected `str`, actual `artifact`
         --> fbcode/buck2/prelude/apple/apple_frameworks.bzl:81:25
          |
       81 |         expanded_path = expanded_path.replace(path_variable, path_value)
          |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
          |
```

This is related to running on Linux with buck2 and how we get the framework paths for linux/pika toolchains for non SDK frameworks. However, Foundation is an SDK framework, and updating it to be as such allows us to build, both with buck1 and buck2.

Differential Revision: D38080376

fbshipit-source-id: b226c3511e3312d0bf0ddb792dbe4ca99768cad1

BUCK

@@ -600,7 +600,7 @@ rn_apple_library(
     contacts = ["oncall+react_native@xmail.facebook.com"],
     extension_api_only = True,
     frameworks = [
-        "$PLATFORM_DIR/Developer/Library/Frameworks/Foundation.framework",
+        "Foundation",
     ],
     inherited_buck_flags = get_static_library_ios_flags(),
     labels = [