Permit use of @deprecated on class variables

[FMCorz]

The use of the @deprecated tag should be permitted on class variables as they are legitimate. The following code yield the error that follows.

class Test {

    /**
     * @var int No longer used.
     * @deprecated Use foo instead.
     */
    protected $something = 0;

}

FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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 82 | WARNING | @deprecated tag is not allowed in member variable comment (moodle.Commenting.VariableComment.TagNotAllowed)

The @deprecated tag is used to document the deprecation version or other information of any element that can be documented except for page (global variable, include, constant, function, define, class, variable, method).

https://manual.phpdoc.org/HTMLSmartyConverter/HandS/phpDocumentor/tutorial_tags.deprecated.pkg.html