Merge pull request #5 from useblacksmith/v2/fix-json-integer-type

begin-testbox: send installation_model_id as json integer in phone-home

Author: aayushshah15

action.yml

@@ -63,7 +63,7 @@ runs:
           -H "Authorization: Bearer ${AUTH_TOKEN}" \
           -d "{
             \"testbox_id\": \"${TESTBOX_ID}\",
-            \"installation_model_id\": \"${INSTALLATION_MODEL_ID}\",
+            \"installation_model_id\": ${INSTALLATION_MODEL_ID},
             \"status\": \"hydrating\",
             \"ip_address\": \"${RUNNER_HOST}\",
             \"ssh_port\": \"${RUNNER_SSH_PORT}\",