Bump bootstrap-vue from 2.22.0 to 2.23.1 in /vue

Bumps [bootstrap-vue](https://github.com/bootstrap-vue/bootstrap-vue) from 2.22.0 to 2.23.1.
- [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/v2.22.0...v2.23.1)

---
updated-dependencies:
- dependency-name: bootstrap-vue
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vue/package.json

@@ -17,7 +17,7 @@
     "babel": "^6.23.0",
     "babel-core": "^6.26.3",
     "babel-loader": "^9.1.0",
-    "bootstrap-vue": "^2.21.2",
+    "bootstrap-vue": "^2.23.1",
     "core-js": "^3.26.1",
     "html2pdf.js": "^0.10.1",
     "lodash": "^4.17.21",