Bump @anthropic-ai/sdk from 0.80.0 to 0.81.0

Bumps [@anthropic-ai/sdk](https://github.com/anthropics/anthropic-sdk-typescript) from 0.80.0 to 0.81.0.
- [Release notes](https://github.com/anthropics/anthropic-sdk-typescript/releases)
- [Changelog](https://github.com/anthropics/anthropic-sdk-typescript/blob/main/CHANGELOG.md)
- [Commits](anthropics/anthropic-sdk-typescript@sdk-v0.80.0...sdk-v0.81.0)

---
updated-dependencies:
- dependency-name: "@anthropic-ai/sdk"
  dependency-version: 0.81.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

apps/desktop/package.json

@@ -20,7 +20,7 @@
 		"prepare": "svelte-kit sync"
 	},
 	"devDependencies": {
-		"@anthropic-ai/sdk": "^0.80.0",
+		"@anthropic-ai/sdk": "^0.81.0",
 		"@gitbutler/but-sdk": "workspace:*",
 		"@gitbutler/core": "workspace:*",
 		"@gitbutler/design-core": "2.2.2",