* feat: flesh out pre-requisites for collecting mongodb logs and metrics
* chore: remove stale pipelines in bundled integrations
* chore: clean up 'collect metrics' step for mongodb
* feat: add instructions for collecting and parsing mongodb logs
* feat: add metrics and logs attributes to mongodb data collected list
* feat: nginx logs collection instructions and some other cleanup
* feat: add list of parsed log attributes to data collected list for nginx
* chore: do not run pipeline population integration test if no built-in integration has a pipeline
