Bump vite-plugin-pwa from 0.19.8 to 0.20.0

Bumps [vite-plugin-pwa](https://github.com/vite-pwa/vite-plugin-pwa) from 0.19.8 to 0.20.0.
- [Release notes](https://github.com/vite-pwa/vite-plugin-pwa/releases)
- [Commits](vite-pwa/vite-plugin-pwa@v0.19.8...v0.20.0)

---
updated-dependencies:
- dependency-name: vite-plugin-pwa
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -74,7 +74,7 @@
     "vite-plugin-minify": "^1.5.2",
     "vite-plugin-pages": "^0.31.0",
     "vite-plugin-pages-sitemap": "^1.4.5",
-    "vite-plugin-pwa": "^0.19.7",
+    "vite-plugin-pwa": "^0.20.0",
     "vite-plugin-stylelint": "^5.2.0",
     "vue": "^3.2.47",
     "vue-content-loader": "^2.0.1",