Merge pull request #6203 from plotly/sass-v1.52.1

bump sass v1.52.1

Author: archmoj

package-lock.json

@@ -166,7 +166,7 @@
     "read-last-lines": "^1.8.0",
     "run-series": "^1.1.9",
     "sane-topojson": "^4.0.0",
-    "sass": "^1.51.0",
+    "sass": "^1.52.1",
     "through2": "^4.0.2",
     "true-case-path": "^2.2.1",
     "watchify": "^4.0.0"