Replace deprecated developers.google.com/protocol-buffers with protobuf.dev

[alexandear]

Is your feature request related to a problem? Please describe.

As stated on the site:

NOTE: This site is deprecated. The site will be turned down after January 31, 2023, and traffic will redirect to the new site at https://protobuf.dev/. In the meantime, updates will be made only to https://protobuf.dev.

All links to https://developers.google.com/protocol-buffers will become invalid.

Describe the solution you'd like

Replace https://developers.google.com/protocol-buffers with https://protobuf.dev.

Additional context