flake.lock: Update

Flake lock file updates:

• Added input 'openconnect-sso/flake-utils':
    'github:numtide/flake-utils/7d706970d94bc5559077eb1a6600afddcd25a7c8' (2021-05-31)
• Added input 'openconnect-sso/nixpkgs':
    'path:/nix/store/9za793c35j4rnawwf2n2wpbwwnah1rq9-source?lastModified=1622282707&narHash=sha256-%2BGOrUDsdneUqrOm9d%2B9bHXjEVoVcU8tm14WGVzbt6gg%3D&rev=6933d068c5d2fcff398e802f7c4e271bbdab6705' (2021-05-29)

flake.lock

@@ -60,6 +60,21 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1622445595,
+        "narHash": "sha256-m+JRe6Wc5OZ/mKw2bB3+Tl0ZbtyxxxfnAWln8Q5qs+Y=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7d706970d94bc5559077eb1a6600afddcd25a7c8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -129,8 +144,24 @@
         "type": "indirect"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1622282707,
+        "narHash": "sha256-+GOrUDsdneUqrOm9d+9bHXjEVoVcU8tm14WGVzbt6gg=",
+        "path": "/nix/store/9za793c35j4rnawwf2n2wpbwwnah1rq9-source",
+        "rev": "6933d068c5d2fcff398e802f7c4e271bbdab6705",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
     "openconnect-sso": {
-      "flake": false,
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs_2"
+      },
       "locked": {
         "lastModified": 1692692901,
         "narHash": "sha256-JFVvTw11KFnrd/A5z3QCh30ac9MZG+ojDY3udAFpmCE=",