flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1' (2022-05-30)
  → 'github:numtide/flake-utils/bee6a7250dd1b01844a2de7e02e4df7d8a0a206c' (2022-06-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e1e08fe28bf0588a41cd556eac40b98d2793da99' (2022-06-22)
  → 'github:NixOS/nixpkgs/f2537a505d45c31fe5d9c27ea9829b6f4c4e6ac5' (2022-06-26)

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1653893745,
-        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "lastModified": 1656065134,
+        "narHash": "sha256-oc6E6ByIw3oJaIyc67maaFcnjYOz1mMcOtHxbEf9NwQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "rev": "bee6a7250dd1b01844a2de7e02e4df7d8a0a206c",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1655895887,
-        "narHash": "sha256-AbihSVmPKFcQmaVgzNSLQ8sLAaVTTELPSzZ+/gRVfyk=",
+        "lastModified": 1656239181,
+        "narHash": "sha256-wW1xRFBn376yGloXZ4QzBE4hjipMawpV18Lshd9QSPw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e1e08fe28bf0588a41cd556eac40b98d2793da99",
+        "rev": "f2537a505d45c31fe5d9c27ea9829b6f4c4e6ac5",
         "type": "github"
       },
       "original": {