fix: Updating documentation in decorator.py

[prabhuteja12]

The documentation provided for the tool decorator has been updated to work with the version 1.8.0

Description

The existing documentation of the @tool decorator uses agent.my_tool. It has been updated to agent.tool.my_tool.

Type of Change

Documentation update

Testing

How have you tested the change? Verify that the changes do not break functionality or introduce warnings in consuming repositories: agents-docs, agents-tools, agents-cli

I haven't. This is a one line documentation change that I did on the web interface.

• I ran hatch run prepare

Checklist

• I have read the CONTRIBUTING document
• I have added any necessary tests that prove my fix is effective or my feature works
• I have updated the documentation accordingly
• I have added an appropriate example to the documentation to outline the feature, or no new docs are needed
• My changes generate no new warnings
• Any dependent changes have been merged and published

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[Unshure]

Looks like there was a small, unrelated, linting issue. Can you rebase so we can pass the lint test and merge?