upgrade dependencies

Author: zfletch

.tool-versions

@@ -1 +1 @@
-nodejs 11.9.0
+nodejs 12.6.0

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - v11.9.0
+  - v12.6.0
 before_install:
   - curl -o- -L https://yarnpkg.com/install.sh | bash
   - export PATH="$HOME/.yarn/bin:$PATH"
@@ -11,3 +11,4 @@ script:
   - yarn install
   - yarn lint
   - yarn test --coverage
+  - yarn audit

package.json

@@ -6,17 +6,17 @@
   "dependencies": {
     "beta-code-js": "^1.0.6",
     "bootstrap": "^4.3.1",
-    "eslint-config-airbnb": "^17.1.0",
-    "eslint-plugin-jest": "^22.3.0",
+    "eslint-config-airbnb": "^17.1.1",
+    "eslint-plugin-jest": "^22.7.2",
     "gh-pages": "^2.0.1",
-    "perseids-react-components": "^0.0.10",
+    "perseids-react-components": "^0.1.1",
     "prop-types": "^15.7.2",
-    "react": "^16.8.3",
-    "react-clipboard.js": "^2.0.5",
-    "react-dom": "^16.8.3",
-    "react-router-dom": "^4.3.1",
-    "react-scripts": "2.1.5",
-    "typeface-tinos": "^0.0.54"
+    "react": "^16.8.6",
+    "react-clipboard.js": "^2.0.13",
+    "react-dom": "^16.8.6",
+    "react-router-dom": "^5.0.1",
+    "react-scripts": "3.0.1",
+    "typeface-tinos": "^0.0.72"
   },
   "scripts": {
     "deploy": "yarn deploy-github && yarn deploy-perseids",