Upgraded jest and cheerio.

package.json

@@ -30,9 +30,9 @@
         "lint": "prettier --check \"{src,assets_generation,test}/**/*.{ts,tsx}\" && echo Linting... && eslint \"{src,assets_generation,test}/**/*.{ts,tsx}\" && echo All code passes the prettier and eslint checks."
     },
     "devDependencies": {
-        "@fortawesome/fontawesome-free": "^5.13.0",
-        "@types/cheerio": "^0.22.18",
-        "@types/jest": "^25.2.1",
+        "@fortawesome/fontawesome-free": "^5.13.1",
+        "@types/cheerio": "^0.22.21",
+        "@types/jest": "^26.0.4",
         "@types/lodash": "^4.14.150",
         "@types/luxon": "^1.22.0",
         "@types/node-fetch": "^2.5.7",
@@ -51,7 +51,7 @@
         "file-loader": "^6.0.0",
         "fork-ts-checker-webpack-plugin": "^4.1.3",
         "html-webpack-plugin": "^4.2.0",
-        "jest": "^25.4.0",
+        "jest": "^26.1.0",
         "jest-canvas-mock": "^2.2.0",
         "mini-css-extract-plugin": "^0.9.0",
         "monaco-editor-webpack-plugin": "^1.9.0",
@@ -60,7 +60,7 @@
         "prettier": "^2.0.5",
         "raw-loader": "^4.0.1",
         "terser-webpack-plugin": "^2.3.6",
-        "ts-jest": "^25.4.0",
+        "ts-jest": "^26.1.2",
         "ts-loader": "^7.0.1",
         "ts-node": "^8.9.0",
         "typescript": "^3.9.6",