fix(deps): update nextjs monorepo to v16 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
eslint-config-next (source)	15.5.6 -> 16.0.1
next (source)	^15.4.1 -> ^16.0.0
next (source)	15.5.6 -> 16.0.1

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Release Notes

vercel/next.js (eslint-config-next)

v16.0.1

Compare Source

v16.0.0

Compare Source

vercel/next.js (next)

v16.0.1

Compare Source

v16.0.0

Compare Source

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[github-actions]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Learn more:

• Apollo Federation Subgraph Specification
• Compatibility Tests

[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
@graphql-mesh/plugin-mock	0.105.16-alpha-20251030135159-458b104ac5e7818bf6f285fe2cfa207f457b8bb5	npm ↗︎ unpkg ↗︎

[github-actions]

💻 Website Preview

The latest changes are available as preview in: https://62ea93ef.graphql-mesh.pages.dev

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