[REF] web: add responsive width/height classes utilities

This allows media queries in width/height classes.
This behavior was supported in BS4 but has been deleted in BS5.

e.g. w-md-75 (in Leaderboard eLearning)

Task ID: 2766483

Part-of: odoo/odoo#95450

addons/web/static/src/libs/bootstrap/utilities_custom.scss

@@ -50,6 +50,18 @@ $utilities: map-merge(
             class: rounded-start,
             values: $rounded-sizes,
         ),
+        "width": map-merge(
+            map-get($utilities, "width"),
+            (
+                responsive: true,
+            ),
+        ),
+        "height": map-merge(
+            map-get($utilities, "height"),
+            (
+                responsive: true,
+            ),
+        ),
     )
 );