Function resolve_string_with_expression

Resolve template strings with expressions in ${{ }} syntax Example: "Hello ${{ params.name }} ${{ 1 + 2 }}" -> "Hello John Doe 3"

(
    template: &str,
    params: &HashMap<String, Value>,
    state: &HashMap<String, Value>,
    matrix_values: Option<&HashMap<String, Value>>,
    steps: Option<&HashMap<String, HashMap<String, St