v0.63.0-envoy

NOTES:

The minimum version of Go required to build the OPA-Envoy module is 1.21

What's Changed

• build(deps): bump google.golang.org/protobuf from 1.30.0 to 1.33.0 by @dependabot in #532
• build(deps): Bump OPA v0.62.1 -> v0.63.0 by @ashutosh-narkar in #535