[BIP-901] Increase Gauge Cap for TETU/USDC 80/20 Pool to 5%

## PR with Payload https://github.com/BalancerMaxis/multisig-ops/pull/2611 [\[BIP-116\] Enable TETU/USDC 80/20 Gauge w/2% emissions cap (Polygon)](https://forum.balancer.fi/t/bip-116-enable-tetu-usdc-80-20-gauge-w-2-emissions-cap-polygon/3970) # **Summary** This proposal requests to increase the gauge cap for the **TETU / USDC 80/20** pool from **2% to 5%**. The goal is to better reflect the pool’s maturity, sustained on-chain usage, and its role as the primary liquidity venue for the TETU...