fix: update govulncheck's go version to 1.23

Author: mrueg

.github/workflows/govulncheck.yml

@@ -6,7 +6,7 @@ on:
     - cron: '0 0 * * 1'
 
 env:
-  GO_VERSION: "^1.22"
+  GO_VERSION: "^1.23"
 
 permissions:
   contents: read