Upgrade modelcontextprotocol/sdk to 1.20.0 or higher

Looking into the Azure auth for our remote mcp server, we need this change that has been merged in modelcontextprotocol/sdk. Could we update the dependency so we can get this?

https://github.com/modelcontextprotocol/typescript-sdk/pull/992/files#diff-ac04c4c9810612210b0ac8fbf59911c8a9b826954a38eb7a0aeb26bbf73a5325L774