Merge fort-nix/nix-bitcoin#447: Update nixpkgs

dac62375c1 update nixpkgs{-unstable} (Martin Milata)

Pull request description:

ACKs for top commit:
  erikarvstedt:
    ACK dac62375c1
  nixbitcoin:
    ACK dac62375c1

Tree-SHA512: 77b0a9123ac6197a0304cf5647ca8b3aa567d51c11106d25f9323ed7e1b1249c4da746fc51bb26aa2f22c40a71d41416fadfc928266e998787cb07a8352f3ef8

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1638122382,
-        "narHash": "sha256-sQzZzAbvKEqN9s0bzWuYmRaA03v40gaJ4+iL1LXjaeI=",
+        "lastModified": 1642700792,
+        "narHash": "sha256-XqHrk7hFb+zBvRg6Ghl+AZDq03ov6OshJLiSWOoX5es=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "74f7e4319258e287b0f9cb95426c9853b282730b",
+        "rev": "846b2ae0fc4cc943637d3d1def4454213e203cba",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1642609835,
-        "narHash": "sha256-ZwJnV4mdis28u5vH240ec2mrApuEJYJekn23qlTwJ8c=",
+        "lastModified": 1643247693,
+        "narHash": "sha256-rmShxIuNjYBz4l83J0J++sug+MURUY1koPCzX4F8hfo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "77aa71f66fd05d9e7b7d1c084865d703a8008ab7",
+        "rev": "6c4b9f1a2fd761e2d384ef86cff0d208ca27fdca",
         "type": "github"
       },
       "original": {
@@ -33,11 +33,11 @@
     },
     "nixpkgsUnstable": {
       "locked": {
-        "lastModified": 1642336556,
-        "narHash": "sha256-QSPPbFEwy0T0DrIuSzAACkaANPQaR1lZR/nHZGz9z04=",
+        "lastModified": 1643119265,
+        "narHash": "sha256-mmDEctIkHSWcC/HRpeaw6QOe+DbNOSzc0wsXAHOZWwo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f3d9d4bd898cca7d04af2ae4f6ef01f2219df3d6",
+        "rev": "b05d2077ebe219f6a47825767f8bab5c6211d200",
         "type": "github"
       },
       "original": {

test/nixos-search/flake.lock

@@ -5,11 +5,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1642458481,
-        "narHash": "sha256-IbWfblbs/F1UdP7Cr3zACf2WZoeEcvz6ftnojcDyPYo=",
+        "lastModified": 1643128221,
+        "narHash": "sha256-qTRsU3LUPJk8QDRrc4WXkgarpFFCh0n/vsuRE71cwMw=",
         "owner": "nixos",
         "repo": "nixos-search",
-        "rev": "5a40a2c43a5615a73c8f4ff6d0c1b84106e1280d",
+        "rev": "bb82e171f821aaa31cf2450b05820f346a0712e8",
         "type": "github"
       },
       "original": {