Code coverage: process breaks while running team assignment script

[dmlemeshko]

Code coverage is broken since Jul 18, 2020: https://kibana-ci.elastic.co/job/elastic+kibana+code-coverage/926/execution/node/747/log/

05:55:39  ### Code Coverage Team Assignment
05:55:39  
05:55:41  Unhandled Promise rejection detected:
05:55:41  
05:55:41  TypeError: Cannot read property 'length' of undefined
05:55:41      at Object.dedent [as default] (/var/lib/jenkins/workspace/elastic+kibana+code-coverage/kibana/node_modules/dedent/dist/dedent.js:15:27)
05:55:41      at Object.getHelp (/var/lib/jenkins/workspace/elastic+kibana+code-coverage/kibana/packages/kbn-dev-utils/target/run/help.js:51:28)
05:55:41      at run (/var/lib/jenkins/workspace/elastic+kibana+code-coverage/kibana/packages/kbn-dev-utils/target/run/run.js:31:29)
05:55:41      at Object.uploadTeamAssignmentJson (/var/lib/jenkins/workspace/elastic+kibana+code-coverage/kibana/src/dev/code_coverage/ingest_coverage/team_assignment/index.js:26:47)
05:55:41      at Object.<anonymous> (/var/lib/jenkins/workspace/elastic+kibana+code-coverage/kibana/scripts/load_team_assignment.js:21:69)
05:55:41      at Module._compile (internal/modules/cjs/loader.js:778:30)
05:55:41      at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
05:55:41      at Module.load (internal/modules/cjs/loader.js:653:32)
05:55:41      at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
05:55:41      at Function.Module._load (internal/modules/cjs/loader.js:585:3)
05:55:41  
05:55:41  Terminating process...

[elasticmachine]

Pinging @elastic/kibana-qa (Team:QA)