config: generate keysym definitions

[mahkoh]

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[Copilot]

Pull request overview

This PR moves the jay-config keysym constant definitions to a generated source file produced by the codegen crate, reducing the amount of hand-maintained keysym data and aligning the set of “canonical” keysyms with kbvm.

Changes:

• Add a codegen step that generates jay-config/src/keyboard/syms/generated.rs from kbvm::Keysym::all().
• Update jay-config to re-export the generated keysyms and keep a smaller set of manual aliases not present in kbvm’s list.
• Bump kbvm to 0.1.7 across the workspace and update the lockfile accordingly.

Reviewed changes

Copilot reviewed 5 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
toml-config/Cargo.toml	Bumps kbvm dependency version to match the workspace update.
jay-config/src/keyboard/syms.rs	Switches keysym constants to generated module re-exports, retaining select manual aliases.
codegen/src/main.rs	Registers and runs the new keysym generator.
codegen/src/keysyms.rs	Implements keysym constant generation using kbvm::Keysym::all().
codegen/Cargo.toml	Adds kbvm dependency needed by the new generator.
Cargo.toml	Bumps workspace kbvm dependency to 0.1.7.
Cargo.lock	Updates resolved dependency graph for the kbvm bump and related transitive updates.

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