Upgrade git-url-parse to 12.0.0

This change upgrades git-url-parse to 12.0.0. This is a major upgrade but it
changes nothing to our usage.

Motivation for upgrade is transitively upgrading parse-url which is vulnerable
to several CVEs detected by Snyk.

- SNYK-JS-PARSEURL-2935944
- SNYK-JS-PARSEURL-2935947
- SNYK-JS-PARSEURL-2936249

Signed-off-by: Crevil <bjoern.soerensen@gmail.com>

packages/backend-common/package.json

@@ -58,7 +58,7 @@
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
     "fs-extra": "10.1.0",
-    "git-url-parse": "^11.6.0",
+    "git-url-parse": "^12.0.0",
     "helmet": "^5.0.2",
     "isomorphic-git": "^1.8.0",
     "jose": "^4.6.0",