The idea initially was to use bazel to do our builds, however golang
build system is now good enough and our code base is entirely go.
It is also slowing down our travis ci/cd pipeline.
Go version changed to 1.14.4
Golangci-lint changed to 1.26.0
Bazel version changed to 3.0.0
Bazel rules_go version changed to 0.23.3
Bazel gazelle version changed to v0.21.0
Bazel build tools version changed to 0.25.1
Bazel skylib version changed to 1.0.2