chore: updated to cpp-cmakefiles 0.8.0 (googleapis/google-cloud-cpp-common#278)
chore: updated to cpp-cmakefiles 0.8.0 (googleapis/google-cloud-cpp-common#278)

* chore: updated to cpp-cmakefiles 0.8.0

* chore: updated googleapis dep for bazel
googleapis/google-cloud-cpp,googleapis/google-cloud-cpp,googleapis/google-cloud-cpp,googleapis/google-cloud-cpp