Allow String as execute_script name parameter

[allevo]

This PR allows the String usage for execute_script

let mut runtime = JsRuntime::new(RuntimeOptions::default());

let id = 1;
let script_name = format!("script-{}", id);
let script_content = format!("console.log('{}')", id);
let result = runtime.execute_script(script_name, script_content).unwrap();

[CLAassistant]

All committers have signed the CLA.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.45%. Comparing base (0c7f83e) to head (6357953).
Report is 252 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1069      +/-   ##
==========================================
+ Coverage   81.43%   81.45%   +0.01%     
==========================================
  Files          97      101       +4     
  Lines       23877    27951    +4074     
==========================================
+ Hits        19445    22768    +3323     
- Misses       4432     5183     +751     

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