chore: execute "terraform 0.12upgrade"

$ terraform version
Terraform v0.12.19

Part of #1268

[skip ci]

Author: php-coder

infra/terraform/my-stamps.tf

@@ -2,7 +2,8 @@
 # @todo #1000 Terraform: add UptimeRobot
 # @todo #1000 Terraform: add Mailgun
 
-variable "do_token" {}
+variable "do_token" {
+}
 
 # Digital Ocean provider docs: https://www.terraform.io/docs/providers/do/index.html
 provider "digitalocean" {
@@ -32,65 +33,76 @@ resource "digitalocean_record" "no-www" {
   name   = "@"
   value  = digitalocean_droplet.web.ipv4_address
 }
+
 resource "digitalocean_record" "www" {
   domain = digitalocean_domain.site.name
   type   = "A"
   name   = "www"
   value  = digitalocean_droplet.web.ipv4_address
 }
+
 resource "digitalocean_record" "ns1" {
   domain = digitalocean_domain.site.name
   type   = "NS"
   name   = "@" # <-- to match the current settings. It's better to use "ns1" instead
   value  = "ns1.digitalocean.com."
 }
+
 resource "digitalocean_record" "ns2" {
   domain = digitalocean_domain.site.name
   type   = "NS"
   name   = "@" # <-- to match the current settings. It's better to use "ns2" instead
   value  = "ns2.digitalocean.com."
 }
+
 resource "digitalocean_record" "ns3" {
   domain = digitalocean_domain.site.name
   type   = "NS"
   name   = "@" # <-- to match the current settings. It's better to use "ns3" instead
   value  = "ns3.digitalocean.com."
 }
+
 resource "digitalocean_record" "mx1" {
   domain   = digitalocean_domain.site.name
   type     = "MX"
   name     = "@" # <-- to match the current settings. It's better to use "mx1" instead
   value    = "mxa.mailgun.org."
   priority = 10
 }
+
 resource "digitalocean_record" "mx2" {
   domain   = digitalocean_domain.site.name
   type     = "MX"
   name     = "@" # <-- to match the current settings. It's better to use "mx2" instead
   value    = "mxb.mailgun.org."
   priority = 10
 }
+
 resource "digitalocean_record" "email" {
   domain = digitalocean_domain.site.name
   type   = "CNAME"
   name   = "email"
   value  = "mailgun.org."
 }
+
 resource "digitalocean_record" "verification" {
   domain = digitalocean_domain.site.name
   type   = "TXT"
   name   = "@" # <-- to match the current settings. It's better to use "verification" instead
   value  = "globalsign-domain-verification=405tmKGIyZt12MvKu_nJV1oCJ_e-MEjf_26bcFQX0t"
 }
+
 resource "digitalocean_record" "spf" {
   domain = digitalocean_domain.site.name
   type   = "TXT"
   name   = "@" # <-- to match the current settings. It's better to use "spf" instead
   value  = "v=spf1 include:mailgun.org ~all"
 }
+
 resource "digitalocean_record" "domain_key" {
   domain = digitalocean_domain.site.name
   type   = "TXT"
   name   = "mx._domainkey"
   value  = "k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLo/TZgHYIM7xrU9dBJCJTTsP90rGhHuyTqSrC3LT+T3vsH5azrz1+9Dm86xz6TpcmrHV1WgmSnw72C++AXstlS8CEg6Z6XVuxMDKsMnMVEWDm1bpESy+h29Ns3kY/EzMTaF1V88ICmr6fSpQIOd9u/lZpsABjfh2wfag1rqWcGwIDAQAB"
 }
+