chore: solana 2.3.0 and anchor 0.32.1

[shankars99]

Update solana from 2.2.20 to 2.3.0 and anchor from 0.31.1 to 0.32.1 for pausable extension compatibility.

https://github.com/LayerZero-Labs/devtools/actions/runs/21158442550

[github-actions]

🧪 E2E Test Status

E2E tests are non-blocking and validate real blockchain interactions. Failures may occur due to network issues, RPC rate limits, or external service downtime.

Test Runs (Newest First):

• ✅ Run #6588 - Passed - 2026-01-20 03:32 (UTC)
• ✅ Run #6587 - Passed - 2026-01-20 02:44 (UTC)

[cursor]

PR Summary

Upgrade Solana/Anchor toolchains

• Set Rust toolchain to 1.86.0 across base, Anchor, and Solana stages
• Bump ANCHOR_VERSION to 0.32.1 and install anchor-cli via cargo with --force
• Bump SOLANA_VERSION to 2.3.0 and update related Rust toolchain env
• Minor Dockerfile comment/label tweaks (e.g., "Get Anchor tooling")

^{Written by Cursor Bugbot for commit 7663f00. This will update automatically on new commits. Configure here.}