puppet/getVersion request uses null parameters

[glennsarti]

The extension does a request to the server to get the version however it violates the LSP spec....

It currently sends:

Content-Length: 68

{"jsonrpc": "2.0","id":1,"method":"puppet/getVersion","params":null}

However the LSP spec says params should be (https://microsoft.github.io/language-server-protocol/specifications/specification-current/#requestMessage)

/**
	 * The method's params.
	 */
	params?: array | object;

It is not allowed to be null

Need to change

https://github.com/puppetlabs/puppet-vscode/blob/891f88de0e716e0925b765dd1a5563ec6de63fb0/src/messages.ts#L4-L6

To have parameters but just be an empty hash (once JSONified)

[glennsarti]

v1.2.0 of the extension