#8768 fixes flakiness in handling navigations but it didn't account for
the fact that subsequent navigation requests could be aborted via the
request interception. In that case, the navigationResponseReceived
promise would never be resolved. This PR adds a listener for the failed
network requests and resolves the promise if the network request has
failed. Adding test coverage for this seems tricky, as the reproduction
depends on timing of the second navigation request.
Closes#9175
This PR moves the puppeteer source code into separate mono-repo packages:
- `puppeteer` and `puppeteer-core` are now separated into their own
packages.
- `puppeteer-core` has a new exports called `puppeteer-core/internal`
for internal usage.
Tests and various tools have been updated to accommodate the migration.
