Bump mocha from 9.0.3 to 9.1.1 (#167)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -53,7 +53,7 @@
     "@asciidoctor/core": "^2.0.0-rc.1",
     "chai": "^4.2.0",
     "dirty-chai": "^2.0.1",
-    "mocha": "9.0.3",
+    "mocha": "9.1.1",
     "sinon": "^11.1.1",
     "standard": "16.0.3"
   },