add golang and .NET in transaction support list

[geniusjoe]

✅ Contribution Checklist

apache/pulsar#22928

• I read the contribution guide
• I updated the versioned docs

[visortelle]

From the client matrix page, the .NET client also supports the Transaction API.

@geniusjoe could you please:

• Add .NET client mention to the txn-use.md page
• Update Transaction API support for Go client on the client matrix page

Thanks 🙏

[geniusjoe]

From the client matrix page, the .NET client also supports the Transaction API.

@geniusjoe could you please:

• Add .NET client mention to the txn-use.md page
• Update Transaction API support for Go client on the client matrix page

Thanks 🙏

Updated. Please review again.