Bump workbox-precaching from 6.6.1 to 7.0.0 in /vue

Bumps [workbox-precaching](https://github.com/googlechrome/workbox) from 6.6.1 to 7.0.0.
- [Release notes](https://github.com/googlechrome/workbox/releases)
- [Commits](https://github.com/googlechrome/workbox/commits/v7.0.0)

---
updated-dependencies:
- dependency-name: workbox-precaching
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

vue/package.json

@@ -67,7 +67,7 @@
     "workbox-background-sync": "^7.0.0",
     "workbox-expiration": "^6.5.4",
     "workbox-navigation-preload": "^7.0.0",
-    "workbox-precaching": "^6.5.4",
+    "workbox-precaching": "^7.0.0",
     "workbox-routing": "^7.0.0",
     "workbox-strategies": "^6.2.4"
   },