fix: typo on hf_token env name

cloudbuild.yaml

@@ -10,7 +10,7 @@ steps:
         "us-central1-docker.pkg.dev/${PROJECT_ID}/interview-ai-detector/model-prediction:latest",
         ".",
       ]
-    secretEnv: ["HF_TOKEN"]
+    secretEnv: ["_HF_TOKEN"]
 
   - name: "gcr.io/cloud-builders/docker"
     args:
@@ -25,4 +25,4 @@ images:
 availableSecrets:
   secretManager:
     - versionName: "projects/${PROJECT_ID}/secrets/HF_TOKEN/versions/1"
-      env: "HF_TOKEN"
+      env: "_HF_TOKEN"