Add transaction.data to contexts.trace.data

[cleptric]

Closes #863

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 82.75%. Comparing base (72f3bff) to head (e959dd5).

Files with missing lines	Patch %	Lines
tracing.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #864      +/-   ##
==========================================
- Coverage   82.88%   82.75%   -0.13%     
==========================================
  Files          51       51              
  Lines        4597     4599       +2     
==========================================
- Hits         3810     3806       -4     
- Misses        634      638       +4     
- Partials      153      155       +2     

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