fix shapes.yref description

Author: archmoj

src/components/shapes/attributes.js

@@ -103,7 +103,7 @@ module.exports = templatedArray('shape', {
 
     yref: extendFlat({}, annAttrs.yref, {
         description: [
-            'Sets the annotation\'s y coordinate axis.',
+            'Sets the shape\'s y coordinate axis.',
             axisPlaceableObjs.axisRefDescription('y', 'bottom', 'top')
         ].join(' ')
     }),

test/plot-schema.json

@@ -7009,7 +7009,7 @@
        "valType": "any"
       },
       "yref": {
-       "description": "Sets the annotation's y coordinate axis. If set to a y axis id (e.g. *y* or *y2*), the `y` position refers to a y coordinate. If set to *paper*, the `y` position refers to the distance from the bottom of the plotting area in normalized coordinates where *0* (*1*) corresponds to the bottom (top). If set to a y axis ID followed by *domain* (separated by a space), the position behaves like for *paper*, but refers to the distance in fractions of the domain length from the bottom of the domain of that axis: e.g., *y2 domain* refers to the domain of the second y  axis and a y position of 0.5 refers to the point between the bottom and the top of the domain of the second y axis.",
+       "description": "Sets the shape's y coordinate axis. If set to a y axis id (e.g. *y* or *y2*), the `y` position refers to a y coordinate. If set to *paper*, the `y` position refers to the distance from the bottom of the plotting area in normalized coordinates where *0* (*1*) corresponds to the bottom (top). If set to a y axis ID followed by *domain* (separated by a space), the position behaves like for *paper*, but refers to the distance in fractions of the domain length from the bottom of the domain of that axis: e.g., *y2 domain* refers to the domain of the second y  axis and a y position of 0.5 refers to the point between the bottom and the top of the domain of the second y axis.",
        "editType": "calc",
        "valType": "enumerated",
        "values": [