Bump bootstrap from 5.3.5 to 5.3.6 in /app (#1714)

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 5.3.5 to 5.3.6.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v5.3.5...v5.3.6)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-version: 5.3.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

app/package-lock.json

@@ -7,7 +7,7 @@
   "dependencies": {
     "@github/relative-time-element": "^4.4.8",
     "axios": "^1.9.0",
-    "bootstrap": "^5.3.5",
+    "bootstrap": "^5.3.6",
     "formik": "^2.4.6",
     "humanize-duration": "^3.32.1",
     "luxon": "^3.6.1",