storcon: use https for pageservers (#10759)

## Problem

Storage controller uses unsecure http for pageserver API.

Closes: https://github.com/neondatabase/cloud/issues/23734
Closes: https://github.com/neondatabase/cloud/issues/24091

## Summary of changes

- Add an optional `listen_https_port` field to storage controller's Node
state and its API (RegisterNode/ListNodes/etc).
- Allow updating `listen_https_port` on node registration to gradually
add https port for all nodes.
- Add `use_https_pageserver_api` CLI option to storage controller to
enable https.
- Pageserver doesn't support https for now and always reports
`https_port=None`. This will be addressed in follow-up PR.

test_runner/fixtures/neon_fixtures.py

@@ -1630,6 +1630,7 @@ def neon_env_builder(
 class PageserverPort:
     pg: int
     http: int
+    https: int | None = None
 
 
 class LogUtils:
@@ -1886,6 +1887,7 @@ class NeonStorageController(MetricsGetter, LogUtils):
             "node_id": int(node.id),
             "listen_http_addr": "localhost",
             "listen_http_port": node.service_port.http,
+            "listen_https_port": node.service_port.https,
             "listen_pg_addr": "localhost",
             "listen_pg_port": node.service_port.pg,
             "availability_zone_id": node.az_id,