net/gdrive: Update to a newer snapshot

• Pull in patches from https://github.com/prasmussen/gdrive/pull/428 enabling support for external Google API OAuth2 client credentials
• Add pkg-message with reference to workaround for "Rate Limit Exceeded" errors
• Pet portlint while here

PR: 235497
Submitted by: Dmitri Goutnik <dg@syrec.org> (maintainer)