flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/bee6a7250dd1b01844a2de7e02e4df7d8a0a206c' (2022-06-24)
  → 'github:numtide/flake-utils/7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249' (2022-07-04)
• Updated input 'home-manager':
    'github:nix-community/home-manager/3bf16c0fd141c28312be52945d1543f9ce557bb1' (2022-06-27)
  → 'github:nix-community/home-manager/c645cc9f82c7753450d1fa4d1bc73b64960a9d7a' (2022-07-09)
• Updated input 'nixos-stable':
    'github:NixOS/nixpkgs/915f5a5b3cc4f8ba206afd0b70e52ba4c6a2796b' (2022-07-01)
  → 'github:NixOS/nixpkgs/71d7a4c037dc4f3e98d5c4a81b941933cf5bf675' (2022-07-08)
• Updated input 'nixos-unstable':
    'github:NixOS/nixpkgs/0ea7a8f1b939d74e5df8af9a8f7342097cdf69eb' (2022-07-02)
  → 'github:NixOS/nixpkgs/b39924fc7764c08ae3b51beef9a3518c414cdb7d' (2022-07-08)

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1656065134,
-        "narHash": "sha256-oc6E6ByIw3oJaIyc67maaFcnjYOz1mMcOtHxbEf9NwQ=",
+        "lastModified": 1656928814,
+        "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "bee6a7250dd1b01844a2de7e02e4df7d8a0a206c",
+        "rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1656367977,
-        "narHash": "sha256-0hV17V9Up9pnAtPJ+787FhrsPnawxoTPA/VxgjRMrjc=",
+        "lastModified": 1657396086,
+        "narHash": "sha256-4cQ6hEuewWoFkTBlu211JGxPQQ1Zyli8oEq1cu7cVeA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "3bf16c0fd141c28312be52945d1543f9ce557bb1",
+        "rev": "c645cc9f82c7753450d1fa4d1bc73b64960a9d7a",
         "type": "github"
       },
       "original": {
@@ -110,11 +110,11 @@
     },
     "nixos-stable": {
       "locked": {
-        "lastModified": 1656679828,
-        "narHash": "sha256-akGA97pR1BAQew1FrVTCME3p8qvYxJXB2X3a13aBphs=",
+        "lastModified": 1657296039,
+        "narHash": "sha256-Ghh39+aS+pw5sTP/ZO8VIKE6sBhMadDaQZtf+3yu4Vc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "915f5a5b3cc4f8ba206afd0b70e52ba4c6a2796b",
+        "rev": "71d7a4c037dc4f3e98d5c4a81b941933cf5bf675",
         "type": "github"
       },
       "original": {
@@ -126,11 +126,11 @@
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1656753965,
-        "narHash": "sha256-BCrB3l0qpJokOnIVc3g2lHiGhnjUi0MoXiw6t1o8H1E=",
+        "lastModified": 1657265485,
+        "narHash": "sha256-PUQ9C7mfi0/BnaAUX2R/PIkoNCb/Jtx9EpnhMBNrO/o=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0ea7a8f1b939d74e5df8af9a8f7342097cdf69eb",
+        "rev": "b39924fc7764c08ae3b51beef9a3518c414cdb7d",
         "type": "github"
       },
       "original": {