build: bump aetna from 1.0.0-alpha.15 to 1.0.0-alpha.17 (#100)

Bumps [aetna](https://github.com/pressbooks/aetna) from 1.0.0-alpha.15 to 1.0.0-alpha.17.
- [Release notes](https://github.com/pressbooks/aetna/releases)
- [Commits](https://github.com/pressbooks/aetna/compare/1.0.0-alpha.15...1.0.0-alpha.17)

package-lock.json

@@ -284,9 +284,9 @@
       }
     },
     "aetna": {
-      "version": "1.0.0-alpha.15",
+      "version": "1.0.0-alpha.17",
-      "resolved": "https://registry.npmjs.org/aetna/-/aetna-1.0.0-alpha.15.tgz",
+      "resolved": "https://registry.npmjs.org/aetna/-/aetna-1.0.0-alpha.17.tgz",
-      "integrity": "sha512-GeNRopb4RXL+PPt5HbPyWfwH0bMAEkDYc5YHae0g8J0sQdPmdZG2Lq9gZpW47dJ7h8rFig57Un11S0f3qWqJcg==",
+      "integrity": "sha512-QaEZ8duPuGmE5tvZ+BOVAX/wcKdi6y1YF0jkYxq8CNs7a8Ues3yDDcwE8fV8748SzlOpXi8iu5W6lLwlR5VQRA==",
       "requires": {
         "@frctl/fractal": "1.1.7"
       }