build(deps): bump bootstrap-vue from 2.0.4 to 2.1.0 in /website/client (#11559)

Bumps [bootstrap-vue](https://github.com/bootstrap-vue/bootstrap-vue) from 2.0.4 to 2.1.0.
- [Release notes](https://github.com/bootstrap-vue/bootstrap-vue/releases)
- [Changelog](https://github.com/bootstrap-vue/bootstrap-vue/blob/dev/CHANGELOG.md)
- [Commits](https://github.com/bootstrap-vue/bootstrap-vue/compare/v2.0.4...v2.1.0)

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

website/client/package.json

@@ -22,7 +22,7 @@
     "axios-progress-bar": "^1.2.0",
     "babel-eslint": "^10.0.1",
     "bootstrap": "^4.3.1",
-    "bootstrap-vue": "^2.0.4",
+    "bootstrap-vue": "^2.1.0",
     "chai": "^4.1.2",
     "core-js": "^3.4.1",
     "eslint": "^6.6.0",