Add code owners

[t-imamichi]

Summary

Add @dthuerck and @Sofranac-Boro as code owners.

Details and comments

[coveralls]

Pull Request Test Coverage Report for Build 7001653566

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 93.029%

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Totals
Change from base Build 6925362654:	0.0%
Covered Lines:	4511
Relevant Lines:	4849

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💛 - Coveralls

[woodsp-ibm]

CLA seems stuck - usually pushing an empty commit will re-trigger things and it will go through.