Chore: upgrade packages (#1785)

This includes packages that can be upgraded without making changes.

* Chore: minor version upgrades
* Chore: upgrade fs-extra
* Chore: upgrade chalk
* Chore: upgrade jest, babel-jest

Closes #1712
Closes #1734

package.json

@@ -7,7 +7,7 @@
     "base64url": "^3.0.1",
     "better-sqlite3": "^7.0.0",
     "bottleneck": "^2.19.5",
-    "chalk": "^3.0.0",
+    "chalk": "^4.0.0",
     "commonmark": "^0.29.1",
     "d3-array": "^2.4.0",
     "d3-format": "^1.4.3",
@@ -17,7 +17,7 @@
     "d3-time-format": "^2.2.3",
     "deep-freeze": "^0.0.1",
     "express": "^4.17.1",
-    "fs-extra": "^8.1.0",
+    "fs-extra": "^9.0.0",
     "globby": "^11.0.0",
     "history": "^3.3.0",
     "htmlparser2": "^4.1.0",
@@ -50,7 +50,7 @@
     "@babel/preset-flow": "^7.8.3",
     "@babel/preset-react": "^7.8.3",
     "babel-eslint": "^10.1.0",
-    "babel-jest": "^25.1.0",
+    "babel-jest": "^26.0.1",
     "babel-loader": "^8.0.6",
     "copy-webpack-plugin": "^5.1.1",
     "css-loader": "^3.4.2",
@@ -66,7 +66,7 @@
     "eslint-plugin-react": "7.16.0",
     "file-loader": "^6.0.0",
     "flow-bin": "^0.120.1",
-    "jest": "^25.1.0",
+    "jest": "^26.0.1",
     "jest-fetch-mock": "^3.0.2",
     "prettier": "^2.0.1",
     "raf": "^3.4.1",