Research/Add PII Anoymizer For Trace Information As Step Towards Allowing For Opt-in Anonymized Trace Info

Currently #5756 tracks the addition of trace functionality to skaffold so that individual users can trace information. If in the future we hope to possibly accept user trace information via metrics opt-in and to do that we will need to first anonymize any attributes that trace currently emits with PII. See https://github.com/GoogleContainerTools/skaffold/pull/5854#discussion_r634489415 & https://github.com/GoogleContainerTools/skaffold/pull/5854#discussion_r636458263 for more context.

This is currently not an issue as the initial release of skaffold trace exporters won't have the ability to upload to any aggregator metrics projects, instead it is only setup to suse