Add some logs on GH MCP definition registration (microsoft#2719)

Author: TylerLeonhardt

src/extension/githubMcp/vscode-node/githubMcp.contribution.ts

@@ -34,6 +34,7 @@ export class GitHubMcpContrib extends Disposable {
 				if (this.enabled) {
 					void this._registerGitHubMcpDefinitionProvider();
 				} else {
+					this.logService.trace('Unregistering GitHub MCP Definition Provider.');
 					this.disposable?.dispose();
 					this.disposable = undefined;
 					this.definitionProvider = undefined;
@@ -44,6 +45,7 @@ export class GitHubMcpContrib extends Disposable {
 
 	private async _registerGitHubMcpDefinitionProvider() {
 		if (!this.definitionProvider) {
+			this.logService.trace('Registering GitHub MCP Definition Provider.');
 			// Register the GitHub MCP Definition Provider
 			this.definitionProvider = new GitHubMcpDefinitionProvider(this.configurationService, this.authenticationService, this.logService);
 			this.disposable = lm.registerMcpServerDefinitionProvider('github', this.definitionProvider);