[DEPENDENCY] Bump @ui5/server from 2.2.7 to 2.2.8

Changelog of this version: https://github.com/SAP/ui5-server/blob/v2.2.8/CHANGELOG.md

Author: RandomByte

npm-shrinkwrap.json

@@ -111,7 +111,7 @@
 		"@ui5/fs": "^2.0.6",
 		"@ui5/logger": "^2.0.1",
 		"@ui5/project": "^2.2.6",
-		"@ui5/server": "^2.2.7",
+		"@ui5/server": "^2.2.8",
 		"chalk": "^4.1.0",
 		"data-with-position": "^0.4.1",
 		"import-local": "^3.0.2",