fix(deps): consume workshop-rs 0.1.19

[e54-bot]

Summary

• Consume the released workshop-rs 0.1.19 contract.
• Refresh the compiler contract identity, CLI expectation, compatibility notes, and lockfile checksum.
• Enable the provider to use the canonical Match Voice Chat raw semantics from workshop-rs feat(opy): complete audited statement grammar surface #146.

Refs wrightkit/wright#245
Refs wrightkit/workshop-rs#144

Validation

• cargo fmt --all -- --check
• cargo clippy --locked --workspace --all-targets --all-features -- -D warnings
• cargo test --locked --workspace --all-targets --all-features — passed
• Pinned standalone OPY workflows: Bastion zh-CN/en-US and Overwatch-AI-PVE zh-CN all passed check and compile with non-empty artifacts.
• Pinned opy-provider LPP 1.1 workflows: all checks and compiles returned zero diagnostics and workshop-rs/text-v1 artifacts; provider exited 0.