Update control plane API path for getting compute spec. (#5357)

We changed the path in the control plane. The old path is still accepted
for compatibility with existing computes, but we'd like to phase it out.

compute_tools/src/spec.rs

@@ -68,7 +68,7 @@ pub fn get_spec_from_control_plane(
     base_uri: &str,
     compute_id: &str,
 ) -> Result<Option<ComputeSpec>> {
-    let cp_uri = format!("{base_uri}/management/api/v2/computes/{compute_id}/spec");
+    let cp_uri = format!("{base_uri}/compute/api/v2/computes/{compute_id}/spec");
     let jwt: String = match std::env::var("NEON_CONTROL_PLANE_TOKEN") {
         Ok(v) => v,
         Err(_) => "".to_string(),

test_runner/regress/test_ddl_forwarding.py

@@ -72,7 +72,7 @@ class DdlForwardingContext:
         self.dbs: Dict[str, str] = {}
         self.roles: Dict[str, str] = {}
         self.fail = False
-        endpoint = "/management/api/v2/roles_and_databases"
+        endpoint = "/test/roles_and_databases"
         ddl_url = f"http://{host}:{port}{endpoint}"
         self.pg.configure(
             [