[GCP] generated Ansible inventory host labels has deployment_name from Terraform

[mpagot]

Just for GCP, using glue script config.yaml like

provider: "gcp"
apiver: 2
terraform:
  variables:
    deployment_name: "mpagot"
  ...

Result generated inventory to looks like

all:
  children:
    hana:
      hosts:
        mpagot-vmhana01:
          ansible_host: *****
          ansible_python_interpreter: /usr/bin/python3 
        mpagot-vmhana02:
          ansible_host: *****
          ansible_python_interpreter: /usr/bin/python3 

  hosts: null

Expected inventory should look like

all:
children:
hana:
hosts:
vmhana01:
ansible_host: *****
ansible_python_interpreter: /usr/bin/python3
vmhana02:
ansible_host: *****
ansible_python_interpreter: /usr/bin/python3

hosts: null