Added rust-style raw string syntax support for the Rhai Tokenizer #903

Added rust-style raw string syntax support for the Rhai Tokenizer

Usage Workflow file

16 warnings

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v2, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

unused import: `convert::TryInto`

unused import: `EvalAltResult`

unused variable: `state`

`rhai` (lib test) generated 3 warnings (3 duplicates)

unused imports: `Dynamic`, `Engine`, `EvalAltResult`, `INT`, `LexError`, `ParseErrorType`, `Position`, and `Scope`

unused import: `rhai::Map`

unused import: `super::*`

`rhai` (test "parse_json") generated 3 warnings (run `cargo fix --test "parse_json"` to apply 3 suggestions)

unused imports: `EvalAltResult` and `FnPtr`

`rhai` (example "definitions") generated 1 warning (run `cargo fix --example "definitions"` to apply 1 suggestion)

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/