Change log for GCP_CLOUDSQL

Date Changes
2024-07-19 Added additional mappings for deprecated noun.labels.
2024-06-13 Enhancement:
- Added "gsub" to remove "\n" from the "textPayload" field.
2024-05-15 Enhancement:
- Added new Grok patterns to parse "textPayload" field.
2023-11-29 - Aligned "principal/target.hostname" and "principal/target.asset.hostname" mapping.
2023-11-01 - Promoted the parser to default.