message: envoy-api: bump envoy-api hash to match master HEAD.
  The previously deleted staging branch left a dangling reference, plus we now get the versioned API
  definitions.
diff: @@ -105,7 +105,7 @@ def envoy_api_deps(skip_targets):
  native.git_repository(
  name = "envoy_api",
  remote = "https://github.com/lyft/envoy-api.git",
  - commit = "7506a93e2cbe4a987af5b9ff489462959697c121",
  + commit = "803dd0a589fbca228be01b9f763d7617d9a2d0d8",
  )
  native.bind(
  name = "envoy_eds",
  