Use Patch instead of Create, even if creating

[modular-magician]

Original Author: @slevenick

`service_networking`: `google_service_networking_connection` uses patch instead of create even when creating. Fixes error when using multiple connections

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. If you feel I made an error 🤖 🙉 , please reach out to my human friends 👉 [email protected]. Thanks!