feat(test): change ibm tests from staging to prod (#355)

Author: filiptubic

.github/workflows/test.yml

@@ -103,5 +103,5 @@ jobs:
           TEST_SUITE: tf_acc_ibm_monitor
           SYSDIG_IBM_MONITOR_API_KEY: ${{ secrets.TERRAFORM_IBM_API_KEY }}
           SYSDIG_IBM_MONITOR_INSTANCE_ID: ${{ secrets.TERRAFORM_IBM_MONITOR_INSTANCE_ID }}
-          SYSDIG_IBM_MONITOR_IAM_URL: "https://iam.test.cloud.ibm.com"
-          SYSDIG_MONITOR_URL: "https://us-south.monitoring.test.cloud.ibm.com"
+          SYSDIG_IBM_MONITOR_IAM_URL: "https://iam.cloud.ibm.com"
+          SYSDIG_MONITOR_URL: "https://eu-gb.monitoring.cloud.ibm.com"