update dependencies

.eslintrc.js

@@ -1,27 +1,22 @@
 module.exports = {
-  env: {
-    browser: true,
-    es6: true,
-  },
-  extends: [
-    'plugin:react/recommended',
-    'airbnb',
-  ],
-  globals: {
-    Atomics: 'readonly',
-    SharedArrayBuffer: 'readonly',
-  },
-  parserOptions: {
-    ecmaFeatures: {
-      jsx: true,
+    "env": {
+        "browser": true,
+        "es2021": true
     },
-    ecmaVersion: 2018,
-    sourceType: 'module',
-  },
-  plugins: [
-    'react',
-  ],
-  rules: {
-    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
-  },
+    "extends": [
+        "eslint:recommended",
+        "plugin:react/recommended"
+    ],
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": 12,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react"
+    ],
+    "rules": {
+    }
 };

package.json

@@ -9,13 +9,13 @@
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.5.0",
     "@testing-library/user-event": "^7.2.1",
-    "axios": "^0.19.2",
-    "bootstrap": "^4.4.1",
+    "axios": "^0.21.1",
+    "bootstrap": "^4.6.0",
     "prop-types": "^15.7.2",
-    "react": "^16.13.0",
-    "react-bootstrap": "^1.0.0-beta.17",
-    "react-dom": "^16.13.0",
-    "react-scripts": "3.4.0"
+    "react": "^16.14.0",
+    "react-bootstrap": "^1.4.3",
+    "react-dom": "^16.14.0",
+    "react-scripts": "^4.0.2"
   },
   "scripts": {
     "start": "react-scripts start",
@@ -41,12 +41,8 @@
     ]
   },
   "devDependencies": {
-    "eslint": "^6.8.0",
-    "eslint-config-airbnb": "^18.1.0",
-    "eslint-plugin-import": "^2.20.1",
-    "eslint-plugin-jsx-a11y": "^6.2.3",
-    "eslint-plugin-react": "^7.19.0",
-    "eslint-plugin-react-hooks": "^2.5.0",
+    "eslint": "^7.20.0",
+    "eslint-plugin-react": "^7.22.0",
     "gh-pages": "^2.2.0"
   }
 }