chore: fix version verify script

[pmalek]

What this PR does / why we need it:

Verify version script didn't check the version properly in the build workflow:

Status: Downloaded newer image for kong/gateway-operator:sha-6a4d996-amd64
received version info: {
  "commit": "NOT_SET",
  "release": "NOT_SET",
  "repo": "NOT_SET"
}
false
commit doesn't match: {
  "commit": "NOT_SET",
  "release": "NOT_SET",
  "repo": "NOT_SET"
}
false
repo doesn't match: {
  "commit": "NOT_SET",
  "release": "NOT_SET",
  "repo": "NOT_SET"
}
"NOT_SET"
Version information match

https://github.com/Kong/gateway-operator-enterprise/actions/runs/9562662187/job/26359520262

This PR fixes that.

This should also catch issues like https://github.com/Kong/gateway-operator-enterprise/issues/179 in the future.