Update flake inputs

flake.lock

@@ -71,11 +71,11 @@
     },
     "flake-utils": {
       "locked": {
-        "lastModified": 1619345332,
-        "narHash": "sha256-qHnQkEp1uklKTpx3MvKtY6xzgcqXDsz5nLilbbuL+3A=",
+        "lastModified": 1620759905,
+        "narHash": "sha256-WiyWawrgmyN0EdmiHyG2V+fqReiVi8bM9cRdMaKQOFg=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "2ebf2558e5bf978c7fb8ea927dfaed8fefab2e28",
+        "rev": "b543720b25df6ffdfcf9227afafc5b8c1fabfae8",
         "type": "github"
       },
       "original": {
@@ -171,11 +171,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1619336929,
-        "narHash": "sha256-joIC2D26jtSbHodR/o8r+5T9XL2hXs6NIp5mVyA4JOc=",
+        "lastModified": 1620741111,
+        "narHash": "sha256-PoiORYXwunS/xUGAI0T21D1xCNYJVl+xsxYCaBEKE7U=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "f7540d6c27704ec0fe56ecc8b2a9b663181850b0",
+        "rev": "02f067b234576a08522cffc8f5fa829db9b425cf",
         "type": "github"
       },
       "original": {
@@ -187,11 +187,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1620332858,
-        "narHash": "sha256-ZoOfRdndJhX4QQumeUOYXynTuI8GzkSs9bh451Vezak=",
+        "lastModified": 1620737162,
+        "narHash": "sha256-dFQg2c/fcBqPMz/fNvx6PyTHTpL7wGKraaikmFEougU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "22612485a469d71df09b9434842767b1f4f2c063",
+        "rev": "6e83cfb005c6281ab10e908f6386fe1499b67feb",
         "type": "github"
       },
       "original": {
@@ -203,11 +203,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1620340338,
-        "narHash": "sha256-Op/4K0+Z9Sp5jtFH0s/zMM4H7VFZxrekcAmjQ6JpQ4w=",
+        "lastModified": 1620387763,
+        "narHash": "sha256-cR6e92q0fMMol0K5a+e472F2ojjEoaEighs51pKF99I=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "63586475587d7e0e078291ad4b49b6f6a6885100",
+        "rev": "ae1c8ede09b53007ba9b3c32f926c9c03547ae8b",
         "type": "github"
       },
       "original": {