flake.lock: Updating 'flake-utils (numtide/flake-utils)' - 7d706970 -> f7e004a5

### Changes for flake-utils

On branch: master
Commits: 7d706970d9...f7e004a55b

- [98c8d36b](98c8d36b18) Add checks-utils ([numtide/flake-utils⁠#36](http://r.duckduckgo.com/l/?uddg=https://github.com/numtide/flake-utils/issues/36))
- [f7e004a5](f7e004a55b) Fix derivation name with invalid characters ([numtide/flake-utils⁠#38](http://r.duckduckgo.com/l/?uddg=https://github.com/numtide/flake-utils/issues/38))

flake.lock

@@ -131,11 +131,11 @@
     },
     "flake-utils": {
       "locked": {
-        "lastModified": 1622445595,
-        "narHash": "sha256-m+JRe6Wc5OZ/mKw2bB3+Tl0ZbtyxxxfnAWln8Q5qs+Y=",
+        "lastModified": 1623875721,
+        "narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "7d706970d94bc5559077eb1a6600afddcd25a7c8",
+        "rev": "f7e004a55b120c02ecb6219596820fcd32ca8772",
         "type": "github"
       },
       "original": {