bump(flake.lock): Update sonnenshift input

flake.lock

@@ -266,11 +266,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1731205797,
-        "narHash": "sha256-F7N1mxH1VrkVNHR3JGNMRvp9+98KYO4b832KS8Gl2xI=",
+        "lastModified": 1738741221,
+        "narHash": "sha256-UiTOA89yQV5YNlO1ZAp4IqJUGWOnTyBC83netvt8rQE=",
         "owner": "nix-community",
         "repo": "poetry2nix",
-        "rev": "f554d27c1544d9c56e5f1f8e2b8aff399803674e",
+        "rev": "be1fe795035d3d36359ca9135b26dcc5321b31fb",
         "type": "github"
       },
       "original": {
@@ -381,11 +381,11 @@
         "poetry2nixi": "poetry2nixi"
       },
       "locked": {
-        "lastModified": 1733296058,
-        "narHash": "sha256-2tYgb4TbvoLk+zsRdCPaglP0s9GCG5HOR9Jm9rsSiHU=",
+        "lastModified": 1738867540,
+        "narHash": "sha256-co2Fs1VoWtTzo7IAeRtaNnyofoUWFOv/Aa/+vSorurA=",
         "ref": "refs/heads/main",
-        "rev": "5f01c17df4dbe841bb6ccd85993c0d9b7368af72",
-        "revCount": 13,
+        "rev": "c6eeff42799c9d4073a241056198004d89bf87df",
+        "revCount": 15,
         "type": "git",
         "url": "ssh://git@github.com/sonnenshift/battery-manager"
       },
@@ -454,8 +454,9 @@
         "type": "github"
       },
       "original": {
-        "id": "systems",
-        "type": "indirect"
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
       }
     },
     "tlaternet-webserver": {