fuzz: Fix oss-fuzz github action #783

fuzz: Fix oss-fuzz github action

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/eval/mod.rs#L21

unused import: `CallStackFrame`

Test: src/func/mod.rs#L34

unused import: `shared_try_take`

Test: src/parser.rs#L21

unused import: `FnArgsVec`

Test: src/tokenizer.rs#L1594

unused variable: `has_period`

Test: src/tokenizer.rs#L1595

unused variable: `has_e`

Test: src/tokenizer.rs#L1594

variable does not need to be mutable

Test: src/tokenizer.rs#L1595

variable does not need to be mutable

`rhai` (lib test) generated 7 warnings (7 duplicates)

Test: tests/fn_ptr.rs#L1

unused imports: `EvalAltResult`, `FnPtr`

Test: tests/method_call.rs#L2

unused import: `EvalAltResult`

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/