[8.x] add doesntContain to higher order proxies (#41034)

* add doesntContain to higher order proxies

* Update EnumeratesValues.php

* Update EnumeratesValues.php

Co-authored-by: Taylor Otwell <[email protected]>

Author: edemots

src/Illuminate/Collections/Traits/EnumeratesValues.php

@@ -21,6 +21,7 @@
  * @property-read HigherOrderCollectionProxy $average
  * @property-read HigherOrderCollectionProxy $avg
  * @property-read HigherOrderCollectionProxy $contains
+ * @property-read HigherOrderCollectionProxy $doesntContain
  * @property-read HigherOrderCollectionProxy $each
  * @property-read HigherOrderCollectionProxy $every
  * @property-read HigherOrderCollectionProxy $filter
@@ -62,6 +63,7 @@ trait EnumeratesValues
         'average',
         'avg',
         'contains',
+        'doesntContain',
         'each',
         'every',
         'filter',