use the more relevant 'programming model' for the listed supported ve…

…rsions; the ~4 was the AF 'runtime version' of which there is only v4 currently

docs/supported-technologies.asciidoc

@@ -63,7 +63,7 @@ These are the frameworks that we officially support:
 |=======================================================================
 | Framework             | Version | Note
 | <<lambda,AWS Lambda>> | N/A |
-| <<azure-functions,Azure Functions>> | ~4 | See https://learn.microsoft.com/en-ca/azure/azure-functions/set-runtime-version[the guide on Azure Functions runtime versions].
+| <<azure-functions,Azure Functions>> | v3, v4 | https://learn.microsoft.com/en-us/azure/azure-functions/functions-node-upgrade-v4[Node.js programming model v3 and v4]
 | <<express,Express>>   | ^4.0.0 |
 | <<fastify,Fastify>>   | >=1.0.0 | See also https://www.fastify.io/docs/latest/Reference/LTS/[Fastify's own LTS documentation]
 | <<hapi,@hapi/hapi>>   | >=17.9.0 <22.0.0 |