Error with jwt autorizers

[davidGCR]

What are the steps to reproduce this issue?

1. Create a httpApi with jwt authorizer

httpApi:
    cors: true
    authorizers:
      serviceAuthorizer:
        identitySource: $request.header.Authorization
        issuerUrl: https://cognito-idp.${region}.amazonaws.com/${cognitoPoolId}
        audience:
          - ${client1Id}

  iamRoleStatements:
    - Effect: Allow
      Action:
        - codedeploy:*
      Resource:
        - "*"
 
plugins:
  - serverless-plugin-canary-deployments

functions:
  hellohttp:
    handler: handler.hellohttp
    events:
      - httpApi:
          method: GET
          path: /hellohttp
          authorizer: serviceAuthorizer
    deploymentSettings:
      type: Linear10PercentEvery1Minute
      alias: LiveHttp

What happens?

Error:
TypeError: Cannot convert undefined or null to object
at Function.keys ()

What were you expecting to happen?

Deploy normally with sls and canary

Any logs, error output, etc?

No.

Any other comments?

No.

What versions of software are you using?

serverless: 3.7.3
serverless-plugin-canary-deployments: 0.7.1

[timm-stelzer-e-farm]

Same issue here.

serverless-plugin-canary-deployments: 0.8.0
serverless: 3.22.0