avoid generating internal dependencies for public CI

Reviewed By: wez

Differential Revision: D30017863

fbshipit-source-id: fb94a7c36e05d874fc3a6ce568a7b757c1863ffa

build/fbcode_builder/getdeps.py

@@ -793,7 +793,7 @@ class GenerateGitHubActionsCmd(ProjectCmdBase):
     # TODO: Break up complex function
     def write_job_for_platform(self, platform, args):  # noqa: C901
         build_opts = setup_build_options(args, platform)
-        ctx_gen = build_opts.get_context_generator()
+        ctx_gen = build_opts.get_context_generator(facebook_internal=False)
         loader = ManifestLoader(build_opts, ctx_gen)
         manifest = loader.load_manifest(args.project)
         manifest_ctx = loader.ctx_gen.get_context(manifest.name)