chore: general update

[antoinegelloz]

• remove client
• bump go-libs to v1.4.0 (warning: Cursor API response has now a hasMore field instead of has_more)
• improve swagger response for better SDK generation

[codecov]

Codecov Report

Merging #43 (09d544b) into main (672e039) will increase coverage by 0.20%.
The diff coverage is 65.55%.

❗ Current head 09d544b differs from pull request most recent head 1f4462b. Consider uploading reports for the commit 1f4462b to get more accurate results

@@            Coverage Diff             @@
##             main      #43      +/-   ##
==========================================
+ Coverage   59.28%   59.48%   +0.20%     
==========================================
  Files          27       27              
  Lines        1002     1007       +5     
==========================================
+ Hits          594      599       +5     
  Misses        321      321              
  Partials       87       87              

Impacted Files	Coverage Δ
cmd/root.go	0.00% <0.00%> (ø)
cmd/server.go	0.00% <0.00%> (ø)
cmd/worker.go	0.00% <0.00%> (ø)
main.go	0.00% <ø> (ø)
pkg/attempt.go	69.35% <50.00%> (ø)
pkg/kafka/client.go	45.45% <50.00%> (ø)
pkg/server/activation.go	43.47% <50.00%> (ø)
pkg/server/insert.go	45.45% <50.00%> (ø)
pkg/server/test.go	37.93% <50.00%> (ø)
pkg/server/secret.go	57.14% <57.14%> (ø)
... and 10 more

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