feat: add PM v2 OOReporter integration

[md0x]

Summary

• Add the PM v2 OOReporter package and PolymarketOOReporter callback integration.
• Add Managed OO reward updates, reversible pre-proposal pause and recovery, bond and liveness events, and scalar reward reads.
• Incorporate the OpenZeppelin Retainer 07 remediation and documentation updates, including non-blocking callbacks, two-step ownership, and CEI reward caching.
• Add package-scoped CI and optimizer settings that keep the production contracts below the EIP-170 limit.

Validation

• forge test --no-match-contract '.*Fork.*' — 82 tests passed
• Polygon fork suites — passed in CI
• cd pm-v2-oo-reporter && forge test — 54 tests passed
• forge build --sizes — ManagedOptimisticOracleV2 24,539 B (37 B EIP-170 margin)
• cd pm-v2-oo-reporter && forge build --sizes — OOReporter 15,634 B; PolymarketOOReporter 15,856 B