feat(traffic): enhance flow analytics and brand classification

- Introduced `pickInternetPeer` function to improve IP classification by selecting the appropriate public IP from source and destination.
- Updated `buildFlowAnalytics` and related functions to utilize the new peer selection logic, enhancing accuracy in flow analytics.
- Added tests for new classifications and ensured existing tests cover new scenarios for Google and Cloudflare.
- Refactored traffic flow brand mappings to include additional CIDR ranges for Google and Cloudflare.

Co-authored-by: Cursor <[email protected]>

package-lock.json

@@ -14259,6 +14259,21 @@
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