update stagex to 2025.04.1, fix linker errors

[RyanSquared]

Description

Update deterministic sui-node to use latest stagex release, using clang and lld to link the final binary.

This helps resolve an issue with RUST_BACKTRACE=1, where gcc would link the system's libunwind, resulting in an error when retrieving the call stack.

Test plan

Requesting help from @jnaulty to get this run on testnet for a bit.

After building the container, load and run with a set of commands known to cause a crash, with RUST_BACKTRACE=1.

bash ./docker/sui-node-deterministic/build.sh
env -C build/oci/sui-node tar c . | docker load
docker run -e RUST_BACKTRACE=1 sui-node /opt/sui/bin/sui-node --config-path /validator.yaml

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Release notes

Check each box that your changes affect. If none of the boxes relate to your changes, release notes aren't required.

For each box you select, include information after the relevant heading that describes the impact of your changes that a user might notice and any actions they must take to implement updates.

• Protocol:
• Nodes (Validators and Full nodes):
• gRPC:
• JSON-RPC:
• GraphQL:
• CLI:
• Rust SDK:

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