Use bgColor to support stripe in cprogress

Author: simpletrontdip

packages/chakra-ui-core/src/CProgress/CProgress.js

@@ -225,7 +225,7 @@ const CProgress = {
           value: this.value
         },
         attrs: {
-          bg: indicatorColor[this.colorMode],
+          bgColor: indicatorColor[this.colorMode],
           borderRadius: this.__borderRadius,
           ...this.isIndeterminate && {
             width: '100%',

packages/chakra-ui-core/src/CProgress/tests/__snapshots__/CProgress.test.js.snap

@@ -16,7 +16,7 @@ exports[`should render correctly 1`] = `
   -webkit-transition: all 0.3s;
   transition: all 0.3s;
   width: 40%;
-  background: var(--colors-green-500);
+  background-color: var(--colors-green-500);
   border-radius: var(--radii-sm);
 }