build(deps): bump pinia from 2.2.6 to 2.2.8

Bumps [pinia](https://github.com/vuejs/pinia) from 2.2.6 to 2.2.8.
- [Release notes](https://github.com/vuejs/pinia/releases)
- [Commits](https://github.com/vuejs/pinia/compare/pinia@2.2.6...v2.2.8)

---
updated-dependencies:
- dependency-name: pinia
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -56,7 +56,7 @@
     "lodash": "^4.17.21",
     "mitt": "^3.0.1",
     "mockconsole": "0.0.1",
-    "pinia": "^2.2.6",
+    "pinia": "^2.2.8",
     "ua-parser-js": "^2.0.0",
     "util": "^0.12.5",
     "vue": "^2.7.16",