update tool response in typescript weather sample to be compliant with spec

[pcarion]

When running the weather typescript example with the code of the doc, Claude reports an error: n.content.map is not a function

The error is due to the fact that the response to the tool request "get_forecast" is not compatible with the spec:

• content should be an array
• the mimeType is not supported as a text element, it should be type, and with the value text

Spec: https://spec.modelcontextprotocol.io/specification/server/tools/#tool-result

I checked the Python code and I see that the response is the same as the one that PR fixed:

          return [
              TextContent(
                  type="text",
                  text=json.dumps(forecasts, indent=2)
              )
          ]

FWIW, I documented the process to fix that issue here: https://pcarion.com/blog/claude_mcp/

[dsp-ant]

Good catch and sorry for trouble. Thank you so much! I really appreciate the effort to go an fix this.