[gas] fix incorrect gas feature version for hash.blake2b_256

[vgao1996]

There was a previous attempt (57294de in #5985) to fix the incorrect gas feature version for this native function, but even that number was too low.

This relates to the wrong gas version initially introduced in #5436

[github-actions]

✅ Forge suite land_blocking success on bb7daf8a55e3e810847721d71dc9555f51c8f43f

performance benchmark with full nodes : 6598 TPS, 6003 ms latency, 8100 ms p99 latency,(!) expired 400 out of 2817840 txns
Test Ok

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

[github-actions]

✅ Forge suite compat success on testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b ==> bb7daf8a55e3e810847721d71dc9555f51c8f43f

Compatibility test results for testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b ==> bb7daf8a55e3e810847721d71dc9555f51c8f43f (PR)
1. Check liveness of validators at old version: testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b
compatibility::simple-validator-upgrade::liveness-check : 7283 TPS, 5286 ms latency, 7600 ms p99 latency,no expired txns
2. Upgrading first Validator to new version: bb7daf8a55e3e810847721d71dc9555f51c8f43f
compatibility::simple-validator-upgrade::single-validator-upgrade : 4890 TPS, 8426 ms latency, 11400 ms p99 latency,no expired txns
3. Upgrading rest of first batch to new version: bb7daf8a55e3e810847721d71dc9555f51c8f43f
compatibility::simple-validator-upgrade::half-validator-upgrade : 4776 TPS, 8474 ms latency, 10700 ms p99 latency,no expired txns
4. upgrading second batch to new version: bb7daf8a55e3e810847721d71dc9555f51c8f43f
compatibility::simple-validator-upgrade::rest-validator-upgrade : 6640 TPS, 5813 ms latency, 10700 ms p99 latency,no expired txns
5. check swarm health
Compatibility test for testnet_2d8b1b57553d869190f61df1aaf7f31a8fc19a7b ==> bb7daf8a55e3e810847721d71dc9555f51c8f43f passed
Test Ok

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

[alinush]

Looks good, but I will need some help to understand this gas versioning stuff...