[platform] Using external database without SSL

### Helm Chart Version

1.2.0

### What step the error happened?

On deploy

### Relevant information

When using an external database, airbyte-temporal is deployed with the assumption that SSL is always enabled, which causes connectivity issues with the database.

[link](https://github.com/airbytehq/airbyte-platform/blob/main/charts/airbyte-temporal/templates/deployment.yaml#L72)
```
{{- if eq .Values.global.database.type "external" }}
# Assume an external database requires SSL.
- name: POSTGRES_TLS_ENABLED
value: "true"
- name: POSTGRES_TLS_DISABLE_HOST_VERIFICATION
value: "true"
- name: SQL_TLS_ENABLED
value: "true"
- name: SQL_TLS_DISABLE_HOST_VERIFICATION
value: "true"
{{- end }}
```

### Relevant log output

```shell

```