Handle environment names from deployer

From gitlab-org/gitlab-qa#613 (comment 457631406)

This job failed with:

$ gitlab-qa-report --generate-test-session "gitlab-qa-run-*/**/rspec-*.json" --project "$QA_TESTCASE_SESSIONS_PROJECT"
/usr/local/bundle/gems/gitlab-qa-6.14.0/lib/gitlab/qa/report/report_as_issue.rb:120:in `deploy_environment_label': No `found:*` label for the `gprd-cny` environment! (RuntimeError)
	from /usr/local/bundle/gems/gitlab-qa-6.14.0/lib/gitlab/qa/report/generate_test_session.rb:22:in `run!'
	from /usr/local/bundle/gems/gitlab-qa-6.14.0/lib/gitlab/qa/report/report_as_issue.rb:20:in `invoke!'
	from /usr/local/bundle/gems/gitlab-qa-6.14.0/lib/gitlab/qa/reporter.rb:95:in `invoke'
	from /usr/local/bundle/gems/gitlab-qa-6.14.0/exe/gitlab-qa-report:9:in `<top (required)>'
	from /usr/local/bundle/bin/gitlab-qa-report:23:in `load'
	from /usr/local/bundle/bin/gitlab-qa-report:23:in `<main>'

This is because https://ops.gitlab.net/gitlab-com/gl-infra/deployer/-/merge_requests/329 is finally merged again. We'll need to handle environment names from deployer now, which can be found at https://gitlab.com/gitlab-com/gl-infra/deployer/-/blob/master/.gitlab-ci.yml