[0.83] Add support for custom header in devsupport

[cortinico]

Target Branch

0.83

Link to commit or PR to be picked

facebook/react-native#55722

Description

This PR adds support for custom HTTP headers when connecting to a bundler for both Android & iOS:

• [0.83] Add support for custom header in devsupport facebook/react-native#55722

PR is already against 0.83-stable so we should be good just merging it

[react-native-bot]

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[cortinico]

Picked ✅