Add upload acceleration for requirements import

- Add spec

changelogs/unreleased/330-accelerated-upload-endpoint-for-requirements-import-csv.yml

+---
+title: Add direct upload acceleration for requirements import
+merge_request:
+author:
+type: added

internal/upstream/routes.go

@@ -270,6 +270,9 @@ func (u *upstream) configureRoutes() {
 		// Metric image upload
 		u.route("POST", apiPattern+`v4/projects/[0-9]+/issues/[0-9]+/metric_images\z`, upload.Accelerate(api, signingProxy, preparers.uploads)),
 
+		// Requirements Import via UI upload acceleration
+		u.route("POST", projectPattern+`requirements_management/requirements/import_csv`, upload.Accelerate(api, signingProxy, preparers.uploads)),
+
 		// Explicitly proxy API requests
 		u.route("", apiPattern, proxy),
 		u.route("", ciAPIPattern, proxy),

upload_test.go

@@ -121,6 +121,7 @@ func TestAcceleratedUpload(t *testing.T) {
 		{"POST", `/import/gitlab_group`, true},
 		{"POST", `/api/v4/projects/9001/packages/pypi`, true},
 		{"POST", `/api/v4/projects/9001/issues/30/metric_images`, true},
+		{"POST", `/my/project/-/requirements_management/requirements/import_csv`, true},
 	}
 
 	for _, tt := range tests {