fix: mark gcf-go as direct dependency

Author: blackwell-systems

go.mod

@@ -3,6 +3,7 @@ module github.com/speakeasy-api/openapi
 go 1.26.1
 
 require (
+	github.com/blackwell-systems/gcf-go v1.2.1
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.2
 	github.com/speakeasy-api/jsonpath v0.6.3
 	github.com/stretchr/testify v1.11.1
@@ -13,7 +14,6 @@ require (
 )
 
 require (
-	github.com/blackwell-systems/gcf-go v1.2.1 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dlclark/regexp2 v1.11.4 // indirect
 	github.com/dprotaso/go-yit v0.0.0-20191028211022-135eb7262960 // indirect