Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Co-authored-by: Philippe Serhal <philippe.serhal@netlify.com>

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* ci: decrease number of shards when running Vercel tests

* test: use PWD instead of hardcoded repo directory

* test: collect build logs in Vercel e2e tests (like we do in our own e2e tests)

* test: skip esm-externals-false tests (they are just checking CLI output)

* ci: skip reporting about tests that use canary only features when testing stable

* test: fix typo when setting _cliOutput

* test: add deploy cleanup step for Vercel tests

* test: increase timeout for Vercel tests

* test: bump timeout

* ci: allow using test results from runs triggered by pull_request when deploying e2e report using branch results

* fix: vary cache key on __nextDataReq query param

* test: update header tests to check for new vary param

* test: upgrade deno used in tests

* test: e2e simple next/after test

* feat: support waitUntil

* use already existing trackBackgroundWork helper from request context to handle next/after

* test: increase timeout for one of smoke tests due to team-wide extensions installation time making it timeout

* test: move test to dedicated fixture

* chore: update outdated comment

* chore: clarify awaiting backgroundWorkPromise

* test: update assertion for next >=15.0.4-canary.18

* fix: support changed shape of getRequestHandlers return

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Co-authored-by: Matt Kane <matt.kane@netlify.com>