Restore introspection update in default build target chain

Agent-Logs-Url: https://github.com/fsprojects/FSharp.Data.GraphQL/sessions/8c78aed3-f9e5-4eef-a936-0f3de0a59126

Co-authored-by: xperiandri <2365592+xperiandri@users.noreply.github.com>

Author: Copilot

build/Program.fs

@@ -384,6 +384,8 @@ Target.create "PackAndPush" ignore
 ==> RestoreTarget
 ==> BuildTarget
 ==> RunUnitTestsTarget
+==> StartStarWarsServerTarget
+==> UpdateIntrospectionFileTarget
 ==> "All"
 =?> (GenerateDocsTarget, Environment.environVar "GITHUB_ACTIONS" = "True")
 |> ignore