[gas] Bump gas version on main after release from 30 -> 31

[perryjrandall]

Release 1.26 has version 30

Bump gas to ensure we are working on the next version in main

Test Plan: main + debug framework / compat tests

[trunk-io]

⏱️ 27m total CI duration on this PR

Job	Cumulative Duration	Recent Runs
check-dynamic-deps	8m	🟩 🟩 🟩
test-target-determinator	7m	⬜ 🟩
rust-cargo-deny	5m	🟩 🟩 🟩
fetch-last-released-docker-image-tag	3m	🟩 🟩
general-lints	1m	🟩 🟩 🟩
semgrep/ci	1m	🟩 🟩 🟩
file_change_determinator	29s	🟩 🟩 🟩
cut-release-branch	26s	🟥
file_change_determinator	23s	🟩 🟩
permission-check	8s	🟩 🟩 🟩
permission-check	7s	🟩 🟩 🟩
permission-check	6s	🟩 🟩
determine-docker-build-metadata	4s	🟩 🟩
check-branch-prefix	1s	🟩

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[perryjrandall]

• [gas] Bump gas version on main after release from 30 -> 31 #15759 👈 (View in Graphite)
• main

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[github-actions]

❌ Forge suite framework_upgrade failure on f69dc31b0f674662b6bfa941dc7eee9ce9035e29 ==> eb7cefa58df456bcece6ee7496bae55928e5ff04

Forge test runner terminated:
Trailing Log Lines:
             at ./testsuite/forge/src/runner.rs:332:50
  31: forge::run_forge_with_changelog
             at ./testsuite/forge-cli/src/main.rs:428:24
  32: forge::main
             at ./testsuite/forge-cli/src/main.rs:331:21
  33: core::ops::function::FnOnce::call_once
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/ops/function.rs:250:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
{"level":"INFO","source":{"package":"aptos_forge","file":"testsuite/forge/src/backend/k8s/cluster_helper.rs:381"},"thread_name":"main","hostname":"forge-framework-upgrade-pr-15759-1737058053-f69dc31b0f674662b6b","timestamp":"2025-01-16T20:15:40.339166Z","message":"Deleting namespace forge-framework-upgrade-pr-15759: Some(NamespaceStatus { conditions: None, phase: Some(\"Terminating\") })"}
{"level":"INFO","source":{"package":"aptos_forge","file":"testsuite/forge/src/backend/k8s/cluster_helper.rs:398"},"thread_name":"main","hostname":"forge-framework-upgrade-pr-15759-1737058053-f69dc31b0f674662b6b","timestamp":"2025-01-16T20:15:40.339212Z","message":"aptos-node resources for Forge removed in namespace: forge-framework-upgrade-pr-15759"}
Debugging output:
NAME                                   READY   STATUS      RESTARTS      AGE
aptos-node-0-validator-0               1/1     Running     0             3m16s
aptos-node-1-validator-0               1/1     Running     0             2m36s
aptos-node-2-validator-0               1/1     Running     0             7m39s
aptos-node-3-validator-0               1/1     Running     2 (80s ago)   7m39s
forge-testnet-deployer-vptlf           0/1     Completed   0             7m47s
genesis-aptos-genesis-eforge21-xtl2q   0/1     Completed   0             7m40s

• Grafana dashboard
• Humio Logs
• Axiom Logs
• Validator CPU Profile
• Fullnode CPU Profile
• Test runner output
• Test run is land-blocking