[0.74] Umbrella issue for Expo-specific debugger picks

[motiz88]

@byCedric is working on a number of PRs to React Native to keep Expo's debugger integration working in 0.74, following changes to implementation details that Expo was previously relying on.

This includes the following PRs (more could be added)

• feature(dev-middleware): add inspector proxy nativeNetworkInspection target capabilty flag facebook/react-native#43310
• fix(dev-middleware): allow inspector proxy to fetch sourcemaps on lan connections facebook/react-native#43307
• feature(dev-middleware): use userAgent query parameter as fallback when header is unset facebook/react-native#43364
• feature(dev-middleware): add custom message handlers to extend CDP capabilities facebook/react-native#43291

This is an umbrella issue to track this work for 0.74.

NOTE: Beyond just fixing 0.74, the PRs are designed to prevent future breakages from making it to RC.

[byCedric]

There is 1 PR more, that unblocks our tunnel/lan/local mode when starting Metro: facebook/react-native#43307

[cortinico]

We're going to do RC3 on Monday 11th at 10AM GMT.
Which of those PRs should be included? I assume only facebook/react-native#43310 for now?

[byCedric]

All PRs, except that one, are awaiting review. I'm not sure which one we can merge before the 11th. @cortinico

[cortinico]

All PRs, except that one, are awaiting review. I'm not sure which one we can merge before the 11th. @cortinico

Got it 👍 I'm more wondering if those PRs are meaningful in isolation or they need to be picked all together. If they're isolated, on Monday we'll just pick what we have available in main 👍

[byCedric]

The only meaningful one is the API addition: facebook/react-native#43291

The others are small bug fixes and can be done in isolation. We can work around those issues if we know they haven't been merged yet. Eventually we shouldn't have to work around these though, but that's for a time when everything is merged.

[cortinico]

We're picking:

• feature(dev-middleware): add inspector proxy nativeNetworkInspection target capabilty flag facebook/react-native#43310

into the release branch. Will be released in RC3

[huntie]

All changes picked (will be 0.74 RC4) ✅