Maintenance/upgrade trafaret 2

[pcrespov]

What do these changes do?

trafaret upgrade to 2.0.x changes in the API demanded some minor refactoring

NOTE: This is a split of PR #1401

Checklist

• Did you change any service's API? Then make sure to bundle document and upgrade version (make openapi-specs, git commit ... and then make version-*)
• Unit tests for the changes exist
• Runs in the swarm
• Documentation reflects the changes
• New module? Add your github username to .github/CODEOWNERS

[codecov]

Codecov Report

Merging #1409 into master will decrease coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1409      +/-   ##
==========================================
- Coverage   70.76%   70.72%   -0.04%     
==========================================
  Files         225      225              
  Lines        8913     8916       +3     
  Branches      979      979              
==========================================
- Hits         6307     6306       -1     
- Misses       2324     2327       +3     
- Partials      282      283       +1

Flag	Coverage Δ
#integrationtests	57.17% <100%> (ø)	⬆️
#unittests	65.29% <100%> (-0.04%)	⬇️

Impacted Files	Coverage Δ
packages/simcore-sdk/src/simcore_sdk/config/s3.py	0% <ø> (ø)	⬆️
...r/src/simcore_service_webserver/activity/config.py	100% <ø> (ø)	⬆️
...rver/src/simcore_service_webserver/login/config.py	100% <ø> (ø)	⬆️
.../server/src/simcore_service_webserver/db_config.py	100% <ø> (ø)	⬆️
...rver/src/simcore_service_webserver/email_config.py	100% <ø> (ø)	⬆️
...r/src/simcore_service_webserver/socketio/config.py	92.3% <ø> (ø)	⬆️
...kages/simcore-sdk/src/simcore_sdk/config/rabbit.py	0% <ø> (ø)	⬆️
...r/src/simcore_service_webserver/director/config.py	100% <ø> (ø)	⬆️
...er/src/simcore_service_webserver/catalog_config.py	91.66% <ø> (ø)	⬆️
packages/service-library/src/servicelib/tracing.py	0% <ø> (ø)	⬆️
... and 10 more

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[mguidon]

well done!

[sanderegg]

wonderful!