fix

Author: shuyama1

.ci/magician/cmd/test_tpg.go

@@ -54,6 +54,7 @@ var testTPGCmd = &cobra.Command{
 
 func execTestTPG(version, commit, pr string, gh ttGithub) {
 	var repo string
+	var content []byte
 	if version == "ga" {
 		repo = "terraform-provider-google"
 		content, err := os.ReadFile("/workspace/upstreamCommitSHA_ga.txt")