Merge pull request 'Added pkgdiff' (#6) from al into main

Reviewed-on: #6

msvsphere-9.json

@@ -1180,6 +1180,9 @@
     "pkcs11-helper": {
       "url": "https://src.fedoraproject.org/rpms/pkcs11-helper.git"
     },
+    "pkgdiff": {
+      "url": "https://src.fedoraproject.org/rpms/pkgdiff.git"
+    },
     "plasma-breeze": {
       "url": "https://src.fedoraproject.org/rpms/plasma-breeze.git"
     },