fix(deps): require google-api-core>=1.31.5, >=2.3.2 (#115)

Author: parthea

setup.py

@@ -28,7 +28,7 @@
  # NOTE: Maintainers, please do not require google-api-core>=2.x.x
  # Until this issue is closed
  # https://github.com/googleapis/google-cloud-python/issues/10566
- "google-api-core[grpc] >= 1.28.0, <3.0.0dev",
+ "google-api-core[grpc] >= 1.31.5, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.0",
  "proto-plus >= 1.18.1",
  "grpc-google-iam-v1",
  "six",

testing/constraints-3.6.txt

@@ -5,7 +5,7 @@
 #
 # e.g., if setup.py has "foo >= 1.14.0, < 2.0.0dev",
 # Then this file should have foo==1.14.0
-google-api-core==1.28.0
+google-api-core==1.31.5
 proto-plus==1.18.1
 grpc-google-iam-v1==0.12.3
 six==1.13.0