Add Trask to SemConv maintainers #7008

Job	Run time
semantic-conventions	7s
semantic-conventions	7s
markdown-toc-check	35s
markdown-toc-check	35s
markdownlint	15s
markdownlint	15s
misspell	15s
misspell	15s
semantic-conventions-registry	8s
semantic-conventions-registry	8s
yamllint	12s
yamllint	12s
markdown-link-check	5m 26s
markdown-link-check	2m 48s
areas-dropdown-check	5s
areas-dropdown-check	5s
polices-test	5s
polices-test	5s
schemas-check	16s
schemas-check	16s
policies-check	9s
policies-check	9s
semantic-conventions-compatibility	15s
semantic-conventions-compatibility	15s
	12m 58s

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