Add pii_enrichment_config/2-0-1

[oguzhanunlu]

This PR introduces a new optional field anonymousOnly. If enabled, the enrichment masks PII when the SP-Anonymous header is present.

$ diff schemas/com.snowplowanalytics.snowplow.enrichments/pii_enrichment_config/jsonschema/2-0-0 schemas/com.snowplowanalytics.snowplow.enrichments/pii_enrichment_config/jsonschema/2-0-18c8
<     "version": "2-0-0"
---
>     "version": "2-0-1"
153a154,157
>     },
>     "anonymousOnly": {
>       "type": "boolean",
>       "description": "Whether to enable anonymous mode. If enabled, the enrichment masks PII when the SP-Anonymous header is present"

[davidher-mann]

Glad you realized my feature request . Looking forward to it!

[istreeter]

This was closed via #1432