Use "Regal" instead of "regal-ls" (#145)

Since all other output channels seem named like their project.

Signed-off-by: Anders Eknert <anders@styra.com>

src/ls/clients/regal.ts

@@ -136,7 +136,7 @@ export function activateRegal(_context: ExtensionContext) {
         args: ["language-server"],
     };
 
-    const outChan = window.createOutputChannel("regal-ls");
+    const outChan = window.createOutputChannel("Regal");
 
     const clientOptions: LanguageClientOptions = {
         documentSelector: [{ scheme: 'file', language: 'rego' }],