Update CI processes (#296)

- Upgrade to latest terraform version (1.0.4)
- Remove tflint from linting pipeline (was not doing anything)
- Add terraform fmt check to linting pipeline
- Pass all code through terraform fmt

modules/net-vpn-ha/main.tf

@@ -79,7 +79,7 @@ resource "google_compute_router" "router" {
         : var.router_advertise_config.groups
       )
     )
-    dynamic advertised_ip_ranges {
+    dynamic "advertised_ip_ranges" {
       for_each = (
         var.router_advertise_config == null ? {} : (
           var.router_advertise_config.mode != "CUSTOM"
@@ -122,7 +122,7 @@ resource "google_compute_router_peer" "bgp_peer" {
       : each.value.bgp_peer_options.advertise_groups
     )
   )
-  dynamic advertised_ip_ranges {
+  dynamic "advertised_ip_ranges" {
     for_each = (
       each.value.bgp_peer_options == null ? {} : (
         each.value.bgp_peer_options.advertise_mode != "CUSTOM"