Bump core-js and jimp (#61124) (#61167)

This commit bumps the following dependencies:

- core-js (prod-dependency): 3.2.1 -> 3.6.4
- jimp (dev-dependency): 0.8.4 -> 0.9.6

package.json

@@ -159,7 +159,7 @@
     "color": "1.0.3",
     "commander": "3.0.2",
     "compare-versions": "3.5.1",
-    "core-js": "^3.2.1",
+    "core-js": "^3.6.4",
     "css-loader": "^3.4.2",
     "d3": "3.5.17",
     "d3-cloud": "1.2.5",
@@ -437,7 +437,7 @@
     "jest": "^24.9.0",
     "jest-cli": "^24.9.0",
     "jest-raw-loader": "^1.0.1",
-    "jimp": "0.8.4",
+    "jimp": "^0.9.6",
     "json5": "^1.0.1",
     "karma": "3.1.4",
     "karma-chrome-launcher": "2.2.0",