build(deps): bump bootstrap-icons from 1.11.3 to 1.12.1 in /templates (#10658)

Bumps [bootstrap-icons](https://github.com/twbs/icons) from 1.11.3 to 1.12.1.
- [Release notes](https://github.com/twbs/icons/releases)
- [Commits](twbs/icons@v1.11.3...v1.12.1)

---
updated-dependencies:
- dependency-name: bootstrap-icons
  dependency-version: 1.12.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

templates/package-lock.json

@@ -28,7 +28,7 @@
     "@websanova/url": "^2.6.3",
     "anchor-js": "^5.0.0",
     "bootstrap": "^5.3.5",
-    "bootstrap-icons": "^1.11.3",
+    "bootstrap-icons": "^1.12.1",
     "highlight.js": "^11.10.0",
     "idb-keyval": "^6.2.1",
     "jquery": "3.7.0",