:hammer: Update example code for Couchbase

[joonas-yoon]

update modules about Couchbase

releated issue: #5229

Tested in couchbase 4.0.3

[codecov[bot]]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage :thumbsup:

Coverage data is based on head (ab8988f) compared to base (cf73051). Patch has no changes to coverable lines.

:exclamation: Current head ab8988f differs from pull request most recent head 37fc529. Consider uploading reports for the commit 37fc529 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##            master     #5234    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          540       533     -7     
  Lines        13969     13725   -244     
==========================================
- Hits         13969     13725   -244     

Impacted Files	Coverage Δ
tests/main.py	100.00% <0.00%> (ø)
tests/utils.py	100.00% <0.00%> (ø)
fastapi/utils.py	100.00% <0.00%> (ø)
fastapi/routing.py	100.00% <0.00%> (ø)
fastapi/encoders.py	100.00% <0.00%> (ø)
tests/test_query.py	100.00% <0.00%> (ø)
fastapi/websockets.py	100.00% <0.00%> (ø)
fastapi/concurrency.py	100.00% <0.00%> (ø)
fastapi/applications.py	100.00% <0.00%> (ø)
fastapi/openapi/docs.py	100.00% <0.00%> (ø)
... and 23 more

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[github-actions[bot]]

📝 Docs preview for commit a3f6933bd6376cbe5516b5a40764d23959efdd4e at: https://62ec7b5cba5a2267a53c35be--fastapi.netlify.app

[github-actions[bot]]

📝 Docs preview for commit 55b15f34b61117fa79057d9eec0e24311dad2432 at: https://62fed5158802d011be882033--fastapi.netlify.app