minor #21486 [Validator] Image Constraint - minPixels and maxPixels should be float (wkania)

This PR was merged into the 6.4 branch.

Discussion
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[Validator] Image Constraint - `minPixels` and `maxPixels` should be float

Related to [issue](symfony/symfony#61980 (comment)).

Commits
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b9d1038 [Validator] Image Constraint - minPixels and maxPixels should be float

Author: javiereguiluz

reference/constraints/Image.rst

@@ -341,7 +341,7 @@ Parameter             Description
 ``maxPixels``
 ~~~~~~~~~~~~~
 
-**type**: ``integer``
+**type**: ``integer`` | ``float``
 
 If set, the amount of pixels of the image file must be less than or equal to this
 value.
@@ -368,7 +368,7 @@ Parameter             Description
 ``maxRatio``
 ~~~~~~~~~~~~
 
-**type**: ``float``
+**type**: ``integer`` | ``float``
 
 If set, the aspect ratio (``width / height``) of the image file must be less
 than or equal to this value.
@@ -465,7 +465,7 @@ Parameter             Description
 ``minPixels``
 ~~~~~~~~~~~~~
 
-**type**: ``integer``
+**type**: ``integer`` | ``float``
 
 If set, the amount of pixels of the image file must be greater than or equal to this
 value.
@@ -492,7 +492,7 @@ Parameter             Description
 ``minRatio``
 ~~~~~~~~~~~~
 
-**type**: ``float``
+**type**: ``integer`` | ``float``
 
 If set, the aspect ratio (``width / height``) of the image file must be greater
 than or equal to this value.