Bump @vue/composition-api in /webui/frontend (#124)

Bumps [@vue/composition-api](https://github.com/vuejs/composition-api) from 1.0.0-rc.5 to 1.0.0-rc.6.
- [Release notes](https://github.com/vuejs/composition-api/releases)
- [Changelog](https://github.com/vuejs/composition-api/blob/master/CHANGELOG.md)
- [Commits](vuejs/composition-api@v1.0.0-rc.5...v1.0.0-rc.6)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

webui/frontend/package.json

@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "@braid/vue-formulate": "^2.5.2",
-    "@vue/composition-api": "^1.0.0-rc.3",
+    "@vue/composition-api": "^1.0.0-rc.6",
     "axios": "^0.21.1",
     "bootstrap-vue": "^2.21.2",
     "core-js": "^3.9.1",

webui/frontend/yarn.lock

@@ -1520,10 +1520,10 @@
   optionalDependencies:
     prettier "^1.18.2"
 
-"@vue/composition-api@^1.0.0-rc.3":
-  version "1.0.0-rc.5"
-  resolved "https://registry.yarnpkg.com/@vue/composition-api/-/composition-api-1.0.0-rc.5.tgz#9b857743dd2692073b6df90fa2cfb9a75a1bb2f6"
-  integrity sha512-sFBUDZxwi5YOQqH//VSGenO6WH0JuW94+CWo1eUsGSTRue8POfwD4oeduVqi/c6QcwXg2tJL/m6aOD2t/IR6zg==
+"@vue/composition-api@^1.0.0-rc.6":
+  version "1.0.0-rc.6"
+  resolved "https://registry.yarnpkg.com/@vue/composition-api/-/composition-api-1.0.0-rc.6.tgz#21ce2c169dd4ff17a5bf60c6e98863dff1a36540"
+  integrity sha512-M3jsyDBozQFqAPYdM4GCoVZEljIHsTVdcq5fZx9axpKz9ChIlQngxNf1ziLVaJvWX7T+MO1rVTEx6Xjgg/gUcQ==
   dependencies:
     tslib "^2.1.0"