Stop tracking generated files

Run make generate in CI lint and test jobs since generated files are
now gitignored. Also include Relay codegen for frontend apps in the
generate target.

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/server/api/connect/v1/schema/.gitignore

@@ -0,0 +1,3 @@
+*
+!.gitignore
+!doc.go

pkg/server/api/connect/v1/schema/doc.go

@@ -0,0 +1,17 @@
+// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+// Package schema contains the generated GraphQL executable schema for the
+// Connect API.
+package schema