build(deps): bump bootstrap from 5.3.0 to 5.3.1

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 5.3.0 to 5.3.1.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v5.3.0...v5.3.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "@fortawesome/fontawesome-free": "6.4.2",
-    "bootstrap": "5.3.0",
+    "bootstrap": "5.3.1",
     "vue": "2.6.12"
   }
 }