Adjust buckets of github_request_wait_duration_seconds metric
Adjust buckets of github_request_wait_duration_seconds metric

After several weeks of running this algorithm, the buckets can
be adjusted to see more valuable data.

Signed-off-by: Jakub Guzik <c82856cf0eea98113df2883f450813c662b8556a@redhat.com>

cblecker/test-infra,dims/test-infra,cblecker/test-infra,kubernetes/test-infra,dims/test-infra,jessfraz/test-infra,cjwagner/test-infra,dims/test-infra,michelle192837/test-infra,kubernetes/test-infra,cjwagner/test-infra,fejta/test-infra,BenTheElder/test-infra,dims/test-infra,cblecker/test-infra,kubernetes/test-infra,jessfraz/test-infra,michelle192837/test-infra,jessfraz/test-infra,cjwagner/test-infra,kubernetes/test-infra,michelle192837/test-infra,kubernetes/test-infra,cblecker/test-infra,michelle192837/test-infra,cjwagner/test-infra,fejta/test-infra,fejta/test-infra,jessfraz/test-infra,fejta/test-infra,fejta/test-infra,cjwagner/test-infra,cblecker/test-infra,BenTheElder/test-infra,BenTheElder/test-infra,fejta/test-infra,kubernetes/test-infra,cjwagner/test-infra,michelle192837/test-infra,cblecker/test-infra,BenTheElder/test-infra,BenTheElder/test-infra,michelle192837/test-infra,jessfraz/test-infra,dims/test-infra,dims/test-infra,jessfraz/test-infra,BenTheElder/test-infra