Make queryPlanStoreKey a hash of both the query and Operation name

[AneethAnand]

…he query and Operation name

Fixes #2309

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[korinne]

Thanks for submitting a pull request! Linking this to the original issue, so that we can review more thoroughly.

[changeset-bot]

🦋 Changeset detected

Latest commit: 224e18e

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

This PR includes changesets to release 7 packages

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

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[trevor-scheer]

@AneethAnand can you please implement the change that Sylvain requested and add a patch changeset?

[AneethAnand]

@AneethAnand can you please implement the change that Sylvain requested and add a patch changeset?

Incorporated your review comments! Thanks again for your inputs

[trevor-scheer]

Thanks @AneethAnand!