load balancers: add HTTP/3 as an entry protocol (#895)

* load balancers: add HTTP/3 as an entry protocol

This is currently in beta.

* docs: add UDP for Load Balancers protocols

This has been released for a while.

* Empty commit to trigger stuck PR checks

Co-authored-by: Cesar Garza <scotch.neat@live.com>

digitalocean/resource_digitalocean_loadbalancer.go

@@ -184,6 +184,7 @@ func resourceDigitalOceanLoadBalancerV0() *schema.Resource {
 								"http",
 								"https",
 								"http2",
+								"http3",
 								"tcp",
 								"udp",
 							}, false),

docs/resources/loadbalancer.md

@@ -116,9 +116,9 @@ the backend service. Default value is `false`.
 
 `forwarding_rule` supports the following:
 
-* `entry_protocol` - (Required) The protocol used for traffic to the Load Balancer. The possible values are: `http`, `https`, `http2` or `tcp`.
+* `entry_protocol` - (Required) The protocol used for traffic to the Load Balancer. The possible values are: `http`, `https`, `http2`, `http3`, `tcp`, or `udp`.
 * `entry_port` - (Required) An integer representing the port on which the Load Balancer instance will listen.
-* `target_protocol` - (Required) The protocol used for traffic from the Load Balancer to the backend Droplets. The possible values are: `http`, `https`, `http2` or `tcp`.
+* `target_protocol` - (Required) The protocol used for traffic from the Load Balancer to the backend Droplets. The possible values are: `http`, `https`, `http2`, `tcp`, or `udp`.
 * `target_port` - (Required) An integer representing the port on the backend Droplets to which the Load Balancer will send traffic.
 * `certificate_name` - (Optional) The unique name of the TLS certificate to be used for SSL termination.
 * `certificate_id` - (Optional) **Deprecated** The ID of the TLS certificate to be used for SSL termination.