Update dependency source-map-support to v0.5.21

Author: renovate-bot

javascript/package.json

@@ -75,7 +75,7 @@
     "sass": "1.43.4",
     "sass-loader": "12.3.0",
     "sinon": "12.0.1",
-    "source-map-support": "0.5.20",
+    "source-map-support": "0.5.21",
     "style-loader": "3.3.1",
     "@testing-library/react": "12.1.2",
     "ts-node": "10.4.0",