[forge] fix max_block_txns rename

[igor-aptos]

This change is 

[sitalkedia]

LG

[github-actions]

✅ Forge suite compat success on 843b204dce971d98449b82624f4f684c7a18b991 ==> 0dc7eacc6a52334f86d1d5072fee9a451caf03b0

Compatibility test results for 843b204dce971d98449b82624f4f684c7a18b991 ==> 0dc7eacc6a52334f86d1d5072fee9a451caf03b0 (PR)
1. Check liveness of validators at old version: 843b204dce971d98449b82624f4f684c7a18b991
compatibility::simple-validator-upgrade::liveness-check : 7599 TPS, 4697 ms latency, 7000 ms p99 latency,no expired txns
2. Upgrading first Validator to new version: 0dc7eacc6a52334f86d1d5072fee9a451caf03b0
compatibility::simple-validator-upgrade::single-validator-upgrade : 5698 TPS, 7006 ms latency, 9700 ms p99 latency,no expired txns
3. Upgrading rest of first batch to new version: 0dc7eacc6a52334f86d1d5072fee9a451caf03b0
compatibility::simple-validator-upgrade::half-validator-upgrade : 5772 TPS, 6723 ms latency, 9000 ms p99 latency,no expired txns
4. upgrading second batch to new version: 0dc7eacc6a52334f86d1d5072fee9a451caf03b0
compatibility::simple-validator-upgrade::rest-validator-upgrade : 7850 TPS, 4710 ms latency, 7700 ms p99 latency,no expired txns
5. check swarm health
Compatibility test for 843b204dce971d98449b82624f4f684c7a18b991 ==> 0dc7eacc6a52334f86d1d5072fee9a451caf03b0 passed
Test Ok

• Grafana dashboard
• Humio Logs
• Test runner output
• Test run is land-blocking

[github-actions]

✅ Forge suite land_blocking success on 0dc7eacc6a52334f86d1d5072fee9a451caf03b0

performance benchmark with full nodes : 7302 TPS, 5449 ms latency, 7200 ms p99 latency,no expired txns
Test Ok

• Grafana dashboard
• Humio Logs
• Test runner output
• Test run is land-blocking