Bump bootstrap from 4.6.1 to 5.3.3

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 4.6.1 to 5.3.3.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v4.6.1...v5.3.3)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-type: direct:production
...

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

package.json

@@ -7,7 +7,7 @@
   "dependencies": {
     "@fortawesome/fontawesome-free": "^6.1.1",
     "@popperjs/core": "^2.10.2",
-    "bootstrap": "4.6.1",
+    "bootstrap": "5.3.3",
     "bootstrap-colorpicker": "^3.4.0",
     "chart.js": "2.9.4",
     "codemirror": "^5.65.2",