* fix(ci): sentry is not longer being activated in test builds
This removes sentry from all the test execution, as some tests might fail as sentry wasn't initially built, or it might take more time to build as it will have to build with sentry.
* fix(build): workaround the failed to fetch oauth token error
* Drop sentry dependencies when enable-sentry feature is disabled
* Make lightwalletd gRPC tests depend on a new lightwalletd-grpc-tests feature
* fix(ci): remove enable-sentry feature from tests
* Add lightwalletd-grpc-tests feature for functionality or efficiency
And document where it is just used to stop re-compilations.
* Remove redundant `cmake` and `protobuf-compiler` dependencies
* Document Zebra's optional production and test feature flags
* Minimise dependencies in zcash-params/Dockerfile
* Minimise dependencies in docker/Dockerfile
* Add a workflow TODO
Co-authored-by: Gustavo Valverde <gustavo@iterativo.do>