Propagate content type for pubsub data.

[artursouza]

Description

Propagate content type for pubsub data.

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #2080

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Unit tests passing
• End-to-end tests passing
• Extended the documentation / Created issue in the https://github.com/dapr/docs/ repo: dapr/docs#[issue number]
• Specification has been updated / Created issue in the https://github.com/dapr/docs/ repo: dapr/docs#[issue number]
• Provided sample for the feature / Created issue in the https://github.com/dapr/docs/ repo: dapr/docs#[issue number]

[artursouza]

/ok-to-test

[dapr-bot]

Found the available test cluster - dapr-aks-e2e-05 for linux. Please check the build status.

[dapr-bot]

Found the available test cluster - dapr-aks-e2e-06 for windows. Please check the build status.

Lint/unit tests build failed

[dapr-bot]

Congrats! All end-to-end tests have passed on linux. Thanks for your contribution!

[codecov]

Codecov Report

Merging #2493 (ec5965f) into master (bf73765) will decrease coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2493      +/-   ##
==========================================
- Coverage   57.10%   57.06%   -0.05%     
==========================================
  Files          80       80              
  Lines        7041     7043       +2     
==========================================
- Hits         4021     4019       -2     
- Misses       2743     2747       +4     
  Partials      277      277              

Impacted Files	Coverage Δ
pkg/grpc/api.go	58.02% <100.00%> (+0.09%)	⬆️
pkg/http/api.go	90.61% <100.00%> (+0.01%)	⬆️
pkg/placement/membership.go	51.06% <0.00%> (-2.84%)	⬇️

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[artursouza]

/ok-to-test

[dapr-bot]

Found the available test cluster - dapr-aks-e2e-07 for linux. Please check the build status.

[dapr-bot]

Found the available test cluster - dapr-aks-e2e-08 for windows. Please check the build status.

[dapr-bot]

End-to-end tests failed on windows. Please check the build logs

[dapr-bot]

Found the available test cluster - dapr-aks-e2e-06 for linux. Please check the build status.

[dapr-bot]

Congrats! All end-to-end tests have passed on linux. Thanks for your contribution!

[dapr-bot]

End-to-end tests cancelled on linux. Please check the build logs

[dapr-bot]

Congrats! All end-to-end tests have passed on windows. Thanks for your contribution!

[youngbupark]

Please follow the existing convention. Member naming is snake case, that is what protobuf official guideline recommends. Then Protoc will generate the member based on language it could be camel case or snake case depending on the language.

[artursouza]

I will need to fix this. Thanks.