feature #18527 [Validator] Update Type constraint, add number, finite-float and finite-number validations (guillaume-a)

This PR was merged into the 6.4 branch.

Discussion
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[Validator] Update `Type` constraint, add `number`, `finite-float` and `finite-number` validations

Documentation for PR
* symfony/symfony#50907

Related to
* symfony/symfony#50782

This is my first sf-docs PR, please tell me if I did anything wrong.
Thank you.

Commits
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458fdd5 [Validator] Update `Type` constraint, add `number`, `finite-float` and `finite-number` validations

Author: OskarStark

reference/constraints/Type.rst

@@ -208,5 +208,14 @@ Also, you can use ``ctype_*()`` functions from corresponding
 Make sure that the proper :phpfunction:`locale <setlocale>` is set before
 using one of these.
 
+Finally, you can use aggregated functions:
+
+* ``number``: ``is_int || is_float && !is_nan``
+* ``finite-float``: ``is_float && is_finite``
+* ``finite-number``: ``is_int || is_float && is_finite``
+
+.. versionadded:: 6.4
+    ``number``, ``finite-float`` and ``finite-number`` were introduced in Symfony 6.4.
+
 .. _built-in PHP extension: https://www.php.net/book.ctype
 .. _a list of ctype functions: https://www.php.net/ref.ctype