Update flakes

flake.lock

@@ -38,11 +38,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1661187878,
-        "narHash": "sha256-/wCqoQB1BsaVi4nb8Iz0PreeBNMTim0p78NLtyWejFE=",
+        "lastModified": 1661262176,
+        "narHash": "sha256-42FXNd2B0QECaULG0Vx+oYzQ9euKcmlg2gmX2D+HbKI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "52527082ea267fe486f0648582d57c85486b2031",
+        "rev": "b9fd420fa535fd254c6f1f26df770b32a9dc98b4",
         "type": "github"
       },
       "original": {
@@ -54,11 +54,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1661239211,
-        "narHash": "sha256-pNJzBlSNpWEiFJZnLF2oETYq8cGWx1DJPW33aMtG6n8=",
+        "lastModified": 1661328374,
+        "narHash": "sha256-GGMupfk/lGzPBQ/dRrcQEhiFZ0F5KPg0j5Q4Fb5coxc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e804cd8a27f835a402b22e086e36e797716ef8b",
+        "rev": "f034b5693a26625f56068af983ed7727a60b5f8b",
         "type": "github"
       },
       "original": {
@@ -80,7 +80,7 @@
       "locked": {
         "lastModified": 1659263380,
         "narHash": "sha256-8Hu7H7tzYKXTecu1jxrv3qBMeF1MiLuMa+Ppt0qFlYg=",
-        "ref": "master",
+        "ref": "HEAD",
         "rev": "a4d633a4baea22f77d79abc31a8410c3b45f9d69",
         "revCount": 225,
         "type": "git",
@@ -110,7 +110,7 @@
       "locked": {
         "lastModified": 1660667835,
         "narHash": "sha256-mpEe4lh8BoIICE1NWLelz2zyje8yuA52rww3hYtHeu8=",
-        "ref": "master",
+        "ref": "main",
         "rev": "25e463cf9a56b366b3f9ba49fcbdb0df39515d64",
         "revCount": 23,
         "type": "git",