Flake/updates (#41)

* Update flake

flake.lock

@@ -3,11 +3,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1641205782,
-        "narHash": "sha256-4jY7RCWUoZ9cKD8co0/4tFARpWB+57+r1bLLvXNJliY=",
+        "lastModified": 1648199409,
+        "narHash": "sha256-JwPKdC2PoVBkG6E+eWw3j6BMR6sL3COpYWfif7RVb8Y=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "b7547d3eed6f32d06102ead8991ec52ab0a4f1a7",
+        "rev": "64a525ee38886ab9028e6f61790de0832aa3ef03",
         "type": "github"
       },
       "original": {
@@ -18,11 +18,11 @@
     },
     "flake-utils": {
       "locked": {
-        "lastModified": 1644229661,
-        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "lastModified": 1648297722,
+        "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "rev": "0f8662f1319ad6abf89b3380dd2722369fc51ade",
         "type": "github"
       },
       "original": {
@@ -64,11 +64,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1647282937,
-        "narHash": "sha256-K8Oo6QyFCfiEWTRpQVfzcwI3YNMKlz6Tu8rr+o3rzRQ=",
+        "lastModified": 1648203577,
+        "narHash": "sha256-CbXZkiVTA0ByV/yncFHCAGIa/AfcSb0cjqzEa56rO+Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "64fc73bd74f04d3e10cb4e70e1c65b92337e76db",
+        "rev": "d89f18a17e51532ed5f4d45297b0ddf11e46b9c8",
         "type": "github"
       },
       "original": {
@@ -109,11 +109,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1647397753,
-        "narHash": "sha256-Q8HjnWFj+Gdx4ElvBiF99xhhZpeGdn1OZsGzyOrg7+Y=",
+        "lastModified": 1648434893,
+        "narHash": "sha256-rTpgRsgIeCYY4e4Qj+gMT1H80E0f7ITNyseOaPSiyrM=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "dcc7af39185159fb2b8356bacca0473804a5b90e",
+        "rev": "d477108aefccc46e4b7acc8008f03d4e823da7b0",
         "type": "github"
       },
       "original": {