build(deps-dev): Bump dependency @ui5/linter to ^1.20.8

Author: renovate[bot]

package-lock.json

@@ -19,7 +19,7 @@
 	"devDependencies": {
 		"@eslint/js": "^9.39.2",
 		"@ui5/cli": "^4.0.41",
-		"@ui5/linter": "^1.20.7",
+		"@ui5/linter": "^1.20.8",
 		"@ui5/middleware-code-coverage": "^2.0.2",
 		"eslint": "^9.39.2",
 		"globals": "^17.0.0",