01-tutorials - [Bug] Nova act added a new API to return a STRING_SCHEMA for returning data. We need to add this to the sample instead of act()

**In which component is this bug present?**

- [ ] 01-AgentCore-runtime
- [ ] 02-AgentCore-gateway
- [ ] 03-AgentCore-identity
- [ ] 04-AgentCore-memory
- [x ] 05-AgentCore-tools
- [ ] 06-AgentCore-observability
- [ ] 07-AgentCore-E2E

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**Bug Description**
A clear and concise description of the bug.
```
Nova act introduced a new API act_get() to extract information. The current act() API does not work for extracting information.
Also, we now have Web bot auth in AgentCore Browser, so we do not need the CAPTCHA example.
```

**Screenshots**
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