housekeeping: npm audit resolutions (via #5457)

* add `security-audit` script

* npm audit fix

* remove nyc

* nightwatch@1

this breaks the test suite, but it appears to have already regressed. leaving it for another day, TODO: open a backlog ticket

* add `security-audit` script

* disable mocha exclusivity

* update package-lock.json

* cypress@3.4.0

* `npm audit fix`

* @release-it/conventional-changelog@1.1.0

* release-it@12

test/e2e-selenium/static/test-specs/features/parameter-enum-rendering.openapi.yaml

@@ -0,0 +1,21 @@
+openapi: 3.0.0
+info:
+  title: test
+  version: 0.0.0
+paths:
+  /report:
+    get:
+      parameters:
+        - in: query
+          name: rel_date
+          required: true
+          schema:
+            type: string
+            default: today
+            enum:
+              - today
+              - yesterday
+              - lastweek
+      responses:
+        '200':
+          description: OK