Bump mocha from 6.2.3 to 8.1.1 (#30)

Bumps [mocha](https://github.com/mochajs/mocha) from 6.2.3 to 8.1.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.2.3...v8.1.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dailyrandomphoto <dailyrandomphoto@gmail.com>

.mocharc.yml

@@ -0,0 +1,7 @@
+color: true
+reporter: spec
+ui: bdd
+full-trace: true
+exit: true
+require:
+  - "chai/register-should"

.travis.yml

@@ -1,10 +1,9 @@
 language: node_js
 
 node_js:
-  - "8"
   - "10"
   - "12"
-  - "13"
+  - "14"
 
 script:
   - npm run lint

package.json

@@ -26,7 +26,7 @@
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
     "dev-blog-directory-save-yaml-cli": "file:.",
-    "mocha": "^6.2.1",
+    "mocha": "^8.1.1",
     "nyc": "^15.1.0",
     "unlink-self": "latest",
     "xo": "^0.25.3"