refactor: remove WHATWG URL import, use global

[dnalborczyk]

support for Cloudflare Workers

ref: apollographql/apollo-server#6034

[netlify]

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🦋 Changeset detected

Latest commit: 7f3a3b7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 7 packages

Name	Type
@apollo/federation-internals	Patch
@apollo/gateway	Patch
@apollo/composition	Patch
@apollo/query-planner	Patch
@apollo/query-graphs	Patch
@apollo/subgraph	Patch
apollo-federation-integration-testsuite	Patch

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[clenfest]

Unfortunately, we had to revert this PR because it didn't play nicely with deno (used by the router). I can reopen it, but I'm not sure what will need to change on the deno side to allow us to merge it.