changed the pre-requisties for .net

from .net 6 to .net 7

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    (a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or
    (b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or
    (c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it.
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Signed-off-by: Suhas-Kalagotla <suhaskalagotla5@gmail.com>

daprdocs/content/en/getting-started/quickstarts/serviceinvocation-quickstart.md

@@ -298,7 +298,7 @@ Dapr invokes an application on any Dapr instance. In the code, the sidecar progr
 For this example, you will need:
 
 - [Dapr CLI and initialized environment](https://docs.dapr.io/getting-started).
-- [.NET SDK or .NET 6 SDK installed](https://dotnet.microsoft.com/download).
+- [.NET SDK or .NET 7 SDK installed](https://dotnet.microsoft.com/download).
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 - [Docker Desktop](https://www.docker.com/products/docker-desktop)
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