Instruct brakeman to allow git show command to take args

As of now, no user input is associated with reading file source

Author: rossta

config/brakeman.ignore

@@ -3,27 +3,27 @@
     {
       "warning_type": "Command Injection",
       "warning_code": 14,
-      "fingerprint": "7297db165692a1744273cd4c5f755daee483c999bf28b7cce39ff84ca9c3a64f",
+      "fingerprint": "2b810f11e65f8681ae0111adffe00fbda55ea1728a4208f26bc0947109335b20",
       "check_name": "Execute",
       "message": "Possible command injection",
       "file": "app/models/examples/app_file.rb",
-      "line": 40,
+      "line": 81,
       "link": "https://brakemanscanner.org/docs/warning_types/command_injection/",
       "code": "`git show #{@revision}:#{@path}`",
       "render_path": null,
       "location": {
         "type": "method",
         "class": "Examples::AppFile",
-        "method": "read"
+        "method": "git_read"
       },
       "user_input": "@revision",
       "confidence": "Medium",
       "cwe_id": [
         77
       ],
-      "note": "We mark this warning as ignored since we expect to only run this code on app files and not on user-generated content."
+      "note": ""
     }
   ],
-  "updated": "2024-05-09 20:09:09 -0400",
+  "updated": "2024-07-14 21:34:23 -0400",
   "brakeman_version": "6.1.2"
 }