Prefix automated test commits messages

Having the prefix makes it easier to quickly tell which commits were
generated. Has been helpful in local dev when generating multiple test
commits and needing to squash them down before pushing them up to
Github.

devbox.json

@@ -24,14 +24,14 @@
         "cp test/snapshots/base/* test/v7",
         "cp test/snapshots/base/* test/v8",
         "cp test/snapshots/base/* test/v9",
-        "git add . && git commit -m 'Undo simulated changes'",
+        "git add . && git commit -m 'Automated: Undo simulated changes'",
         "echo \"{ \\\"pull_request\\\": { \\\"base\\\": { \\\"sha\\\": \\\"$(git rev-parse HEAD)\\\" } } }\" > test/pull_request_event_payload.json",
-        "git add . && git commit -m 'Update test target sha'",
+        "git add . && git commit -m 'Automated: Update test target sha'",
         "cp test/snapshots/updates/* test/v6",
         "cp test/snapshots/updates/* test/v7",
         "cp test/snapshots/updates/* test/v8",
         "cp test/snapshots/updates/* test/v9",
-        "git add . && git commit -m 'Simulate changes'"
+        "git add . && git commit -m 'Automated: Simulate changes'"
       ]
     }
   }