Sync Labels CI Job is failing

[stevesloka]

Just noticed the CI sync labels job is failing:

Found\",\"documentation_url\":\"https://docs.github.com/rest/reference/issues#create-a-label\"} status code 404 not one of [201], body: {\"message\":\"Not Found\",\"documentation_url\":\"https://docs.github.com/rest/reference/issues#create-a-label\"} status code 404 not one of [200], body: {\"message\":\"Not Found\",\"documentation_url\":\"https://docs.github.com/rest/reference/issues#update-a-label\"}]","file":"label_sync/main.go:791","func":"main.main","level":"fatal","msg":"failed to update projectcontour","severity":"fatal","time":"2021-04-08T10:15:50Z"}

//ref: https://github.com/projectcontour/contour/runs/2295689356?check_suite_focus=true

[skriss]

Closed by #3795.