Bump @vue/composition-api in /webui/frontend

Bumps [@vue/composition-api](https://github.com/vuejs/composition-api) from 1.0.0-rc.8 to 1.0.0-rc.9.
- [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.8...v1.0.0-rc.9)

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

webui/frontend/package.json

@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "@braid/vue-formulate": "^2.5.2",
-    "@vue/composition-api": "^1.0.0-rc.8",
+    "@vue/composition-api": "^1.0.0-rc.9",
     "axios": "^0.21.1",
     "bootstrap-vue": "^2.21.2",
     "core-js": "^3.12.1",

webui/frontend/yarn.lock

@@ -1520,10 +1520,10 @@
   optionalDependencies:
     prettier "^1.18.2"
 
-"@vue/composition-api@^1.0.0-rc.8":
-  version "1.0.0-rc.8"
-  resolved "https://registry.yarnpkg.com/@vue/composition-api/-/composition-api-1.0.0-rc.8.tgz#ace0f1c8cc7d5b193825fabdc7c4b919bb182a9e"
-  integrity sha512-9ZW2+2WW7iNywVFeaz9K18DW/aA4MLncz+FiUpjtMUKzHpiN1GtYQ8rRYOhHfGXD2Hmp4tTFjqaTM4WeAbB1ig==
+"@vue/composition-api@^1.0.0-rc.9":
+  version "1.0.0-rc.9"
+  resolved "https://registry.yarnpkg.com/@vue/composition-api/-/composition-api-1.0.0-rc.9.tgz#ddfcaa13040add84edab918573dfc999b5f03cf3"
+  integrity sha512-U//BqmGRVaPyZbYsPfRlmCKnnFkhRzUBu7cjrWn4PSwQ5Oh+M0KcYIHlupUd+Qmd8KwaiYiuUpJLncl3wFsrdg==
   dependencies:
     tslib "^2.2.0"