Add dgerd to list of serving-api-approvers

[dgerd]

From ROLES.md:

Reviewer of the codebase for at least 3 months or 50% of project lifetime, whichever is shorter

Total project lifetime: 380 days (2018-01-30 to 2019-02-14)
50% of project lifetime: 190 days

Earliest review: 2018-10-16, 121 days ago
https://github.com/knative/serving/pulls?utf8=%E2%9C%93&q=is%3Apr+reviewed-by%3Adgerd+sort%3Acreated-asc+

Primary reviewer for at least 10 substantial PRs to the codebase

Reviewed 21 L, XL, or XXL PRs
https://github.com/knative/serving/pulls?utf8=%E2%9C%93&q=is%3Apr+-author%3Adgerd+reviewed-by%3Adgerd+label%3Asize%2FL+
https://github.com/knative/serving/pulls?utf8=%E2%9C%93&q=is%3Apr+-author%3Adgerd+reviewed-by%3Adgerd+label%3Asize%2FXL+

10 substantial examples:

1. Support set user-defined port to queue-proxy #2190
2. Normative example for release mode #2044
3. Refactor the Configuration following #2447 #2493
4. Move the resource test under conformance. #2733
5. Implement verification for route readiness for the runLatest. #2898
6. Release mode processing for the route not being ready. #2948
7. Strengthen our resource name validation. #3019
8. Add possibility to create services in release mode #3070
9. Some readability nits, I didn't get a chance to comment #3099
10. Add one more case to cover @latest as part of the traffic split. #3104

Reviewed or merged at least 30 PRs to the codebase

Reviewed or merged 51 PRs
https://github.com/knative/serving/pulls?q=is%3Apr+reviewed-by%3Adgerd+is%3Aclosed
https://github.com/knative/serving/pulls?utf8=%E2%9C%93&q=is%3Apr+-reviewed-by%3Adgerd+is%3Aclosed+author%3Adgerd

Nominated by an area lead with no objections from other leads

Current API Core lead is @mattmoor.

/cc @evankanderson @mattmoor @vaikas-google @mdemirhan @tcnghia @imjasonh @josephburnett

/cc @grantr : Thank you for the template! 👍

[mattmoor]

Something something great responsibility. 🎉

Welcome to Serving API approvers.

/lgtm
/approve

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dgerd, mattmoor

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• OWNERS [mattmoor]

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