Bump preact from 10.18.1 to 10.18.2 in /webapp

Bumps [preact](https://github.com/preactjs/preact) from 10.18.1 to 10.18.2.
- [Release notes](https://github.com/preactjs/preact/releases)
- [Commits](preactjs/preact@10.18.1...10.18.2)

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

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

webapp/package.json

@@ -8,7 +8,7 @@
 		"preview": "vite preview"
 	},
 	"dependencies": {
-		"preact": "^10.18.1",
+		"preact": "^10.18.2",
 		"preact-iso": "^2.3.2",
 		"preact-render-to-string": "^6.2.2"
 	},