chore(deps-dev): bump @anthropic-ai/sdk

Bumps the npm_and_yarn group with 1 update in the /packages/instrumentation-anthropic directory: [@anthropic-ai/sdk](https://github.com/anthropics/anthropic-sdk-typescript).


Updates `@anthropic-ai/sdk` 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
  dependency-group: npm_and_yarn
...

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

Author: dependabot[bot]

packages/instrumentation-anthropic/package.json

@@ -47,7 +47,7 @@
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.80.0",
+    "@anthropic-ai/sdk": "^0.81.0",
     "@opentelemetry/context-async-hooks": "^2.0.1",
     "@opentelemetry/sdk-trace-node": "^2.0.1",
     "@pollyjs/adapter-fetch": "^6.0.7",