feat: remove duplicates from contributors

Author: lukemassa

ecosystem/plugin-git/src/node/utils/getContributors.ts

@@ -23,4 +23,13 @@ export const getContributors = async (
       email,
       commits: Number.parseInt(commits, 10),
     }))
+    .filter((item, index, self) => {
+      // If one of the contributors is a "noreply" github address, and there's
+      // already a contributor with the same name, it is very likely a duplicate,
+      // so it can be removed.
+      if (!item.email.endsWith('@users.noreply.github.com')) {
+        return true
+      }
+      return index === self.findIndex((t) => t.name === item.name)
+    })
 }