(docs): Provide example for APQ in case of outage

[jdolle]

Solves https://github.com/dotansimha/graphql-yoga/issues/3204

[changeset-bot[bot]]

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Latest commit: c3b65385adf68ff16626fef4acbe35ea6267c59d

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[EmrysMyrddin]

Thank you for this contribution, very appreciated! I've made some minor comment, otherwise it should be ok to merge 🙂

[github-actions[bot]]

✅ 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}

     checks.......................................: 100.00% ✓ 400352      ✗ 0     
     data_received................................: 1.6 GB  14 MB/s
     data_sent....................................: 81 MB   673 kB/s
     http_req_blocked.............................: avg=1.44µs   min=961ns    med=1.29µs   max=281.59µs p(90)=1.9µs    p(95)=2.1µs   
     http_req_connecting..........................: avg=2ns      min=0s       med=0s       max=145.75µs p(90)=0s       p(95)=0s      
     http_req_duration............................: avg=387.87µs min=218.16µs med=344.5µs  max=23.73ms  p(90)=544.73µs p(95)=563.87µs
       { expected_response:true }.................: avg=387.87µs min=218.16µs med=344.5µs  max=23.73ms  p(90)=544.73µs p(95)=563.87µs
     ✓ { mode:graphql-jit }.......................: avg=290.52µs min=218.16µs med=269.08µs max=14.45ms  p(90)=298.72µs p(95)=311.46µs
     ✓ { mode:graphql-no-parse-validate-cache }...: avg=572.08µs min=485.44µs med=544.04µs max=9.98ms   p(90)=584.43µs p(95)=616.92µs
     ✓ { mode:graphql-response-cache }............: avg=366.91µs min=293.01µs med=347.87µs max=16.08ms  p(90)=379.39µs p(95)=390.7µs 
     ✓ { mode:graphql }...........................: avg=385.92µs min=295.71µs med=351.64µs max=23.73ms  p(90)=394.12µs p(95)=456.41µs
     http_req_failed..............................: 0.00%   ✓ 0           ✗ 200176
     http_req_receiving...........................: avg=33.2µs   min=15.91µs  med=33.25µs  max=980.58µs p(90)=38.76µs  p(95)=41.02µs 
     http_req_sending.............................: avg=8.4µs    min=6.18µs   med=7.41µs   max=8.79ms   p(90)=10.92µs  p(95)=11.62µs 
     http_req_tls_handshaking.....................: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting.............................: avg=346.26µs min=187.7µs  med=303.82µs max=23.6ms   p(90)=502.89µs p(95)=520.02µs
     http_reqs....................................: 200176  1668.115481/s
     iteration_duration...........................: avg=594.58µs min=389.59µs med=547.1µs  max=24.67ms  p(90)=754.65µs p(95)=777.91µs
     iterations...................................: 200176  1668.115481/s
     vus..........................................: 1       min=1         max=1   
     vus_max......................................: 2       min=2         max=2