Bump generator-jhipster from 7.8.0 to 7.8.1 (#967)

Bumps [generator-jhipster](https://github.com/jhipster/generator-jhipster) from 7.8.0 to 7.8.1.
- [Release notes](https://github.com/jhipster/generator-jhipster/releases)
- [Commits](jhipster/generator-jhipster@v7.8.0...v7.8.1)

---
updated-dependencies:
- dependency-name: generator-jhipster
  dependency-type: direct:production
...

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package.json

@@ -26,7 +26,7 @@
   "dependencies": {
     "chalk": "4.1.2",
     "ejs": "3.1.6",
-    "generator-jhipster": "7.8.0",
+    "generator-jhipster": "7.8.1",
     "glob": "7.2.0",
     "gulp-filter": "6.0.0",
     "insight": "0.10.3",