Add unary negation in table of operator precedence and associativity (#49438)

Co-authored-by: Jameson Nash <vtjnash@gmail.com>

Author: emmt

doc/src/manual/mathematical-operations.md

@@ -394,7 +394,7 @@ Julia applies the following order and associativity of operations, from highest
 |:-------------- |:------------------------------------------------------------------------------------------------- |:-------------------------- |
 | Syntax         | `.` followed by `::`                                                                              | Left                       |
 | Exponentiation | `^`                                                                                               | Right                      |
-| Unary          | `+ - √`                                                                                           | Right[^1]                  |
+| Unary          | `+ - ! ~ ¬ √ ∛ ∜ ⋆ ± ∓ <: >:`                                                                     | Right[^1]                  |
 | Bitshifts      | `<< >> >>>`                                                                                       | Left                       |
 | Fractions      | `//`                                                                                              | Left                       |
 | Multiplication | `* / % & \ ÷`                                                                                     | Left[^2]                   |