Update dependency clipboard to v2.0.8

Author: renovate-bot

package.json

@@ -25,7 +25,7 @@
     "browser-date-formatter": "3.0.3",
     "change-case": "4.1.2",
     "cheerio": "1.0.0-rc.10",
-    "clipboard": "2.0.6",
+    "clipboard": "2.0.8",
     "compression": "1.7.4",
     "connect-slashes": "1.4.0",
     "cookie-parser": "1.4.5",