Merge release 1.6.0 into develop

[0xnm]

What does this PR do?

This PR does the merge of 1.6.0 release into develop.

Review checklist (to be filled by reviewers)

• [ ] Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• [ ] Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• [ ] Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

Merging #139 (f7c7c66) into develop (d3119a0) will decrease coverage by 0.18%. The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop     #139      +/-   ##
=============================================
- Coverage      86.25%   86.07%   -0.18%     
+ Complexity       174      173       -1     
=============================================
  Files             21       21              
  Lines            560      560              
  Branches          72       72              
=============================================
- Hits             483      482       -1     
  Misses            49       49              
- Partials          28       29       +1     

Impacted Files	Coverage Δ
...m/datadog/gradle/plugin/internal/OkHttpUploader.kt	82.52% <ø> (ø)
...com/datadog/gradle/plugin/DdAndroidGradlePlugin.kt	74.14% <0.00%> (-0.86%)	:arrow_down: