Use https for flake

flake.lock

@@ -13,11 +13,11 @@
         "rev": "69605d7e5414786cfe004e93e392f8a90ac1638c",
         "revCount": 1,
         "type": "git",
-        "url": "ssh://git@git.een.ninja:222/armel/ai-usage.git"
+        "url": "https://git.een.ninja/armel/ai-usage.git"
       },
       "original": {
         "type": "git",
-        "url": "ssh://git@git.een.ninja:222/armel/ai-usage.git"
+        "url": "https://git.een.ninja/armel/ai-usage.git"
       }
     },
     "home-manager": {