boringssl lookup fails on iOS with static linkage

To use another plugin (google MLKit), I had to set `:linkage => :static` in the Podifle of my app. However, since I did this, I get the same error webcrypto throws if it's run in a script without having set it up for testing:

```
flutter: Unsupported operation: package:webcrypto cannot be used from scripts or `flutter test` unless `flutter pub run webcrypto:setup` has been run for the current root project.
flutter: #0 lookup. (package:webcrypto/src/boringssl/lookup/lookup_symbol_flutter.dart:47:5)
flutter: dart-lang/ffi#1 lookup (package:webcrypto/src/boringssl/lookup/lookup_symbol_flutter.dart:53:2)
flutter: dart-lang/ffi#2 lookup (package:webcrypto/src/boringssl/lookup/lookup_symbol_flutter.dart)
flutter: dart-lang/ffi#3 _cachedLookup (package:webcrypto/src/boringssl/lookup/lookup.dart:26:21)
flutter: dart-lang/ffi#4 _cachedLookup (package:webcrypto/src/boringssl/lookup/lookup.dart)
flutter: dart-lang/ffi#5 ssl (package:webcrypto/src/boringssl/lookup/lookup.dart:29:44)
flutter: dart-lang/ffi#6 ssl (package:webcrypto/src/boringssl/lookup/lookup.dart)
flutter: dart-lang/ffi#7 _aesCbcEncryptOrDecrypt (package:webcrypto/src/impl_ffi/impl_ffi.aescbc.dart:41:52)
```

I tried setting the Strip-Style to "Non-Global Symbols" in Xcode, as suggested in the [docs](https://docs.flutter.dev/development/platform-integration/c-interop#ios-symbols-stripped), but it doesn't make a difference. Is there any chance to fix this?

Any help is appreciated! :)