feat(icons) update icons to v9.40.4 (#4632)

Author: kflournoy-sf

package-lock.json

@@ -51,7 +51,7 @@
     "@salesforce-ux/design-system-markup": "2.0.2",
     "@salesforce-ux/design-system-parser": "1.1.0",
     "@salesforce-ux/design-system-primitive-tokens": "^0.2.1",
-    "@salesforce-ux/icons": "9.40.2",
+    "@salesforce-ux/icons": "9.40.4",
     "@salesforce-ux/instant-vrt": "2.0.0",
     "@salesforce-ux/postcss-annotations-parser": "0.1.1",
     "@salesforce-ux/postcss-css-variable-value": "0.2.0",