fix(deps): require protobuf <4.0.0dev (#39)

* fix(deps): require protobuf <4.0.0dev * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: parthea

setup.py

@@ -30,7 +30,8 @@
  # Until this issue is closed
  # https://github.com/googleapis/google-cloud-python/issues/10566
  "google-api-core[grpc] >= 1.31.5, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.0",
- "proto-plus >= 1.15.0",
+ "proto-plus >= 1.15.0, <2.0.0dev",
+ "protobuf >= 3.19.0, <4.0.0dev",
 ]
 
 package_root = os.path.abspath(os.path.dirname(__file__))

testing/constraints-3.6.txt

@@ -6,3 +6,4 @@
 # Then this file should have google-cloud-foo==1.14.0
 google-api-core==1.31.5
 proto-plus==1.15.0
+protobuf==3.19.0