fix(deps): update graphql-mesh monorepo to v7 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@graphql-mesh/apollo-link	6.0.0 -> 7.0.0
@graphql-mesh/urql-exchange	6.0.0 -> 7.0.0

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[changeset-bot]

🦋 Changeset detected

Latest commit: 504ab6b

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

This PR includes changesets to release 2 packages

Name	Type
@graphprotocol/client-apollo	Patch
@graphprotocol/client-urql	Patch

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[github-actions]

🚀 Snapshot Release (alpha)

The latest changes of this PR are available as alpha on npm (based on the declared changesets):

Package	Version	Info
@graphprotocol/client-add-source-name	1.0.7-alpha-20220901221111-e5c5970	npm ↗︎ unpkg ↗︎
@graphprotocol/client-auto-pagination	1.1.5-alpha-20220901221111-e5c5970	npm ↗︎ unpkg ↗︎
@graphprotocol/client-auto-type-merging	1.0.7-alpha-20220901221111-e5c5970	npm ↗︎ unpkg ↗︎
@graphprotocol/client-block-tracking	1.0.7-alpha-20220901221111-e5c5970	npm ↗︎ unpkg ↗︎
@graphprotocol/client-cli	2.2.4-alpha-20220901221111-e5c5970	npm ↗︎ unpkg ↗︎