release: v1.6.0

[hannahkm]

Upgrade dd-trace-go to v2.3.0

[kakkoyun]

@hannahkm after #711 is merged, could you rebase this? I believe CI would be green.

[kakkoyun]

LGTM

[hannahkm]

We need to wait for dd-trace-go v2.3.0-rc.3 to be ready before merging this PR. PLEASE DO NOT MERGE YET!!!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.99%. Comparing base (e061d12) to head (4656252).
⚠️ Report is 32 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #698      +/-   ##
==========================================
+ Coverage   65.72%   66.99%   +1.27%     
==========================================
  Files         113      116       +3     
  Lines        7926     8541     +615     
==========================================
+ Hits         5209     5722     +513     
- Misses       2192     2271      +79     
- Partials      525      548      +23     

Components	Coverage Δ
Generators	80.24% <ø> (ø)
Instruments	∅ <ø> (∅)
Go Driver	73.42% <62.60%> (-2.39%)	⬇️
Toolexec Driver	70.87% <100.00%> (+3.34%)	⬆️
Aspects	74.16% <75.32%> (+2.25%)	⬆️
Injector	74.80% <75.70%> (+2.00%)	⬆️
Job Server	65.74% <50.00%> (-0.18%)	⬇️
Other	66.99% <62.51%> (+1.27%)	⬆️

Files with missing lines	Coverage Δ
internal/version/version.go	75.00% <ø> (ø)

... and 34 files with indirect coverage changes

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