Google Cloud Tasks Plugin: Include Job body when failed to push to queue

[martijnvdbrug]

Is your feature request related to a problem? Please describe.
The plugin tries 5 times to push a job to the queue, if that fails it logs Failed to add task to queue as error. This error should include the job data, so that a developer can find out what went wrong. E.g. What order, what customer etc.

Describe the solution you'd like
Log job data. Maybe up until a max depth of 2 or something to prevent logging too much data.