docs: update .all-contributorsrc

.all-contributorsrc

@@ -128,6 +128,15 @@
       "contributions": [
         "translation"
       ]
+    },
+    {
+      "login": "Nic-T",
+      "name": "Nicolas Tantau",
+      "avatar_url": "https://avatars.githubusercontent.com/u/67067741?v=4",
+      "profile": "https://github.com/Nic-T",
+      "contributions": [
+        "translation"
+      ]
     }
   ],
   "contributorsPerLine": 7,