chore(3p/sources): Bump channels & overlays

Change-Id: I206c6c21ead6327fecfa2dccadbb85d1d8552144
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11779
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>

third_party/sources/sources.json

@@ -65,10 +65,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e8057b67ebf307f01bdcc8fba94d94f75039d1f6",
-        "sha256": "1kbhmjd5dz69hx4w7ca7ankax7w5w6fv4szg8zwrahirxdx67gx4",
+        "rev": "051f920625ab5aabe37c920346e3e69d7d34400e",
+        "sha256": "08lin51g5x2vv89rs6vmqxnyy8pfysh0wdp6mdxw6l86dpm2rbg2",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/e8057b67ebf307f01bdcc8fba94d94f75039d1f6.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/051f920625ab5aabe37c920346e3e69d7d34400e.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-stable": {