feat(response-cache): use ETag to use HTTP caching strategy

[ardatan]

Closes #2080

[changeset-bot]

🦋 Changeset detected

Latest commit: 751fe1d

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

This PR includes changesets to release 1 package

Name	Type
@graphql-yoga/plugin-response-cache	Minor

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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
@graphql-yoga/plugin-response-cache	1.7.0-alpha-20230217113302-751fe1db	npm ↗︎ unpkg ↗︎

[github-actions]

✅ Benchmark Results

     ✓ no_errors
     ✓ expected_result

     checks.........................: 100.00% ✓ 203854      ✗ 0     
     data_received..................: 25 MB   846 kB/s
     data_sent......................: 18 MB   612 kB/s
     http_req_blocked...............: avg=1.22µs   min=800ns    med=1µs     max=2.38ms  p(90)=1.5µs    p(95)=1.8µs   
     http_req_connecting............: avg=21ns     min=0s       med=0s      max=2.23ms  p(90)=0s       p(95)=0s      
   ✓ http_req_duration..............: avg=219.18µs min=151.9µs  med=196.8µs max=20.77ms p(90)=237.4µs  p(95)=269.3µs 
       { expected_response:true }...: avg=219.18µs min=151.9µs  med=196.8µs max=20.77ms p(90)=237.4µs  p(95)=269.3µs 
     http_req_failed................: 0.00%   ✓ 0           ✗ 101927
     http_req_receiving.............: avg=17.14µs  min=10.4µs   med=14.9µs  max=8.63ms  p(90)=20.9µs   p(95)=24.29µs 
     http_req_sending...............: avg=7.02µs   min=4.7µs    med=5.6µs   max=4.03ms  p(90)=7.9µs    p(95)=10.1µs  
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s      max=0s      p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=195.01µs min=131.39µs med=175.8µs max=20.37ms p(90)=208.79µs p(95)=236.9µs 
     http_reqs......................: 101927  3397.420057/s
     iteration_duration.............: avg=289.38µs min=208.7µs  med=259.7µs max=21.12ms p(90)=315.4µs  p(95)=350.79µs
     iterations.....................: 101927  3397.420057/s
     vus............................: 1       min=1         max=1   
     vus_max........................: 1       min=1         max=1   

[github-actions]

🚀 Website Preview

The latest changes to the website are available as preview in: https://ef6ebabe.graphql-yoga.pages.dev

[n1ru4l]

😍🚀🎉