chore: bump version numbers (googleapis#32)

I need to create a v0.4.x release and the version numbers are at v0.3.0

feat: add Cloud Pub/Sub protos (googleapis#31)

chore: update googleapis version (googleapis#29)

bug: fix build with Ninja (googleapis#26)

feat: upgrade googleapis and bigquery protos (googleapis#24)

bug: do not redefine targets in config file.

chore: Irregularly scheduled update for the protos.

Merge pull request googleapis#14 from coryan/fix-missing-libraries

bug: Missed two libraries.

Merge pull request googleapis#13 from coryan/fix-missing-exports

feat: Add library for api/client.proto.

Add BUILD_BYPRODUCTS (googleapis#9)