Use more ThinVec. #1503

Use more ThinVec.

Usage Workflow file

15 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/

Test: src/parser.rs#L21

unused import: `FnArgsVec`

`rhai` (lib test) generated 1 warning (1 duplicate)

Test: tests/packages.rs#L2

unused import: `Module`

`rhai` (test "packages") generated 1 warning (run `cargo fix --test "packages"` to apply 1 suggestion)

Test: tests/stack.rs#L2

unused imports: `EvalAltResult`, `INT`

Test: tests/method_call.rs#L2

unused import: `EvalAltResult`

`rhai` (test "modules") generated 1 warning (run `cargo fix --test "modules"` to apply 1 suggestion)

`rhai` (test "method_call") generated 1 warning (run `cargo fix --test "method_call"` to apply 1 suggestion)

`rhai` (test "var_scope") generated 1 warning (run `cargo fix --test "var_scope"` to apply 1 suggestion)

Test: tests/eval.rs#L1

unused import: `Scope`

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/