Deploy heat stacks with small flavors

PROD-36273

Change-Id: I2c00b2f74fd8f0bb180437c24abd6d75e4e09956
diff --git a/jobs/templates/released-bm-pike-ovs.yml b/jobs/templates/released-bm-pike-ovs.yml
index 4c96960..5daf58b 100644
--- a/jobs/templates/released-bm-pike-ovs.yml
+++ b/jobs/templates/released-bm-pike-ovs.yml
@@ -154,7 +154,7 @@
         name: OS_CREDENTIALS
         trim: 'false'
     - string:
-        default: eu-cloud.env
+        default: eu-cloud-low-flavors.env
         description: |-
           Heat template environment filename with 'parameter_defaults' dict, placed in tcp_tests/templates/_heat_environments/
           , for example: microcloud-8116.env