Add support for CloudSQL MySQL insights

[bizrad]

TL;DR

Google has added query insights to the MySQL offering as well now.
Please add support for this in the mysql and safer_mysql modules.
Similar to #198 which was for postgres.

Terraform Resources

No response

Detailed design

No response

Additional information

Example detected changes when enabling this through the UI on an existing database using default options.

  # module.my-sql.module.safer_mysql.google_sql_database_instance.default has changed
  ~ resource "google_sql_database_instance" "default" {
        id                            = "my-db-a1a1a1a1"
        name                          = "my-db-a1a1a1a1"
        # (11 unchanged attributes hidden)

      ~ settings {
          ~ version               = 68 -> 71
            # (9 unchanged attributes hidden)

          + insights_config {
              + query_insights_enabled  = true
              + query_string_length     = 1024
              + record_application_tags = false
              + record_client_address   = false
            }

            # (4 unchanged blocks hidden)
        }

        # (1 unchanged block hidden)
    }

[trajan0x]

+1 on this

[kpocius]

This has been fixed and rolled out in 13.0.0 -- the issue can be closed.

[apeabody]

Correct, Thanks!