ci: update Rust version for build-geth workflow

[Thegaram]

Fix CI issue:

Run make libzkp
cd /home/runner/work/go-ethereum/go-ethereum/rollup/ccc/libzkp && make libzkp
make[1]: Entering directory '/home/runner/work/go-ethereum/go-ethereum/rollup/ccc/libzkp'
cargo build --release
error: toolchain 'nightly-2023-12-03-x[8](https://github.com/scroll-tech/go-ethereum/actions/runs/13634481166/job/38150972989#step:5:9)6_64-unknown-linux-gnu' is not installed
help: run `rustup toolchain install nightly-2023-12-03-x86_64-unknown-linux-gnu` to install it
make[1]: *** [Makefile:8: libzkp] Error 1
make[1]: Leaving directory '/home/runner/work/go-ethereum/go-ethereum/rollup/ccc/libzkp'
make: *** [Makefile:[12](https://github.com/scroll-tech/go-ethereum/actions/runs/13634481166/job/38150972989#step:5:13): libzkp] Error 2
Error: Process completed with exit code 2.

Summary by CodeRabbit

• Chores
  • Updated the continuous integration setup to use a more recent nightly Rust toolchain version.

[coderabbitai]

Walkthrough

The pull request updates the CI configuration by changing the Rust toolchain version in the workflow file. The version is updated from nightly-2022-12-10 to nightly-2023-12-03, while all other CI steps, including Go installation, code checkout, and build operations, remain unchanged. No modifications were made to any exported or public entities.

Changes

File	Change Summary
.github/.../l2geth_ci.yml	Updated Rust toolchain version from nightly-2022-12-10 to nightly-2023-12-03 in CI workflow.

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📥 Commits

Reviewing files that changed from the base of the PR and between 748fb82 and cf27147.

📒 Files selected for processing (1)

• .github/workflows/l2geth_ci.yml (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (2)

• GitHub Check: test
• GitHub Check: check

🔇 Additional comments (1)

.github/workflows/l2geth_ci.yml (1)

40-42: Update Rust Toolchain Version

The updated toolchain version (nightly-2023-12-03) should resolve the CI build failure by ensuring the required Rust nightly version is installed for the make libzkp build step. Please verify that there are no compatibility issues with the rest of the Rust-dependent code.

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