[ui5-cli][DEPENDENCY] Bump @ui5/builder from 3.0.0-alpha.5 to 3.0.0-alpha.6

Changelog of this version: https://github.com/SAP/ui5-builder/blob/v3.0.0-alpha.6/CHANGELOG.md

Author: flovogt

packages/cli/npm-shrinkwrap.json

@@ -108,7 +108,7 @@
 		"url": "[email protected]:SAP/ui5-cli.git"
 	},
 	"dependencies": {
-		"@ui5/builder": "^3.0.0-alpha.5",
+		"@ui5/builder": "^3.0.0-alpha.6",
 		"@ui5/fs": "^3.0.0-alpha.3",
 		"@ui5/logger": "^3.0.1-alpha.1",
 		"@ui5/project": "^3.0.0-alpha.1",