fix(deps): update nextjs monorepo to v15.5.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
eslint-config-next (source)	15.5.4 -> 15.5.6
next (source)	15.5.4 -> 15.5.6

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Release Notes

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

v15.5.6

Compare Source

v15.5.5

Compare Source

vercel/next.js (next)

v15.5.6

Compare Source

v15.5.5

Compare Source

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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

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🚀 Snapshot Release (alpha)

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

Package	Version	Info
@graphql-yoga/graphiql	4.4.2-alpha-20251024192508-659e8fd66c728db44127f28b97aedb7a3ebdf769	npm ↗︎ unpkg ↗︎
@graphql-yoga/nestjs	3.17.0-alpha-20251024192508-659e8fd66c728db44127f28b97aedb7a3ebdf769	npm ↗︎ unpkg ↗︎
@graphql-yoga/nestjs-federation	3.17.0-alpha-20251024192508-659e8fd66c728db44127f28b97aedb7a3ebdf769	npm ↗︎ unpkg ↗︎

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💻 Website Preview

The latest changes are available as preview in: https://pr-4230.graphql-yoga.pages.dev

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✅ Benchmark Results

     ✓ no_errors{mode:graphql}
     ✓ expected_result{mode:graphql}
     ✓ no_errors{mode:graphql-jit}
     ✓ expected_result{mode:graphql-jit}
     ✓ no_errors{mode:graphql-response-cache}
     ✓ expected_result{mode:graphql-response-cache}
     ✓ no_errors{mode:graphql-no-parse-validate-cache}
     ✓ expected_result{mode:graphql-no-parse-validate-cache}
     ✓ no_errors{mode:uws}
     ✓ expected_result{mode:uws}

     checks.......................................: 100.00% ✓ 513328      ✗ 0     
     data_received................................: 2.1 GB  14 MB/s
     data_sent....................................: 103 MB  688 kB/s
     http_req_blocked.............................: avg=1.52µs   min=972ns    med=1.31µs   max=305.27µs p(90)=1.98µs   p(95)=2.18µs  
     http_req_connecting..........................: avg=2ns      min=0s       med=0s       max=131.89µs p(90)=0s       p(95)=0s      
     http_req_duration............................: avg=364.27µs min=208.8µs  med=334.33µs max=15.51ms  p(90)=472.91µs p(95)=494.35µs
       { expected_response:true }.................: avg=364.27µs min=208.8µs  med=334.33µs max=15.51ms  p(90)=472.91µs p(95)=494.35µs
     ✓ { mode:graphql-jit }.......................: avg=280.83µs min=208.8µs  med=264.25µs max=14.44ms  p(90)=293.31µs p(95)=304.9µs 
     ✓ { mode:graphql-no-parse-validate-cache }...: avg=501.18µs min=409.09µs med=475.21µs max=7.42ms   p(90)=514.91µs p(95)=547.53µs
     ✓ { mode:graphql-response-cache }............: avg=346.85µs min=262.76µs med=329.46µs max=8.91ms   p(90)=361.71µs p(95)=374.22µs
     ✓ { mode:graphql }...........................: avg=371.94µs min=280.82µs med=342.38µs max=15.51ms  p(90)=395.49µs p(95)=444.42µs
     ✓ { mode:uws }...............................: avg=362.37µs min=280.2µs  med=340.87µs max=7.2ms    p(90)=376.05µs p(95)=396.88µs
     http_req_failed..............................: 0.00%   ✓ 0           ✗ 256664
     http_req_receiving...........................: avg=33.44µs  min=16.41µs  med=32.65µs  max=3.15ms   p(90)=39.96µs  p(95)=42.91µs 
     http_req_sending.............................: avg=8.85µs   min=6.11µs   med=7.76µs   max=423.3µs  p(90)=11.23µs  p(95)=12.52µs 
     http_req_tls_handshaking.....................: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting.............................: avg=321.97µs min=179.29µs med=293.65µs max=15.33ms  p(90)=429.85µs p(95)=449.43µs
     http_reqs....................................: 256664  1711.029907/s
     iteration_duration...........................: avg=579.36µs min=375.94µs med=545.08µs max=16.21ms  p(90)=691.91µs p(95)=716.81µs
     iterations...................................: 256664  1711.029907/s
     vus..........................................: 1       min=1         max=1   
     vus_max......................................: 2       min=2         max=2