fix(deps): require google-api-core>=1.31.5, >=2.3.2 (#1050)

fix(deps): require proto-plus>=1.15.0

Author: parthea

setup.py

@@ -95,8 +95,8 @@
         # 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] >= 1.26.0, <3.0.0dev",
-        "proto-plus >= 1.10.1",
+        "google-api-core[grpc] >= 1.31.5, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.0",
+        "proto-plus >= 1.15.0",
         "packaging >= 14.3",
         "google-cloud-storage >= 1.32.0, < 3.0.0dev",
         "google-cloud-bigquery >= 1.15.0, < 3.0.0dev",

testing/constraints-3.6.txt

@@ -5,9 +5,9 @@
 #
 # 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==1.26.0
+google-api-core==1.31.5
 libcst==0.2.5
-proto-plus==1.10.1
+proto-plus==1.15.0
 mock==4.0.2
 google-cloud-storage==1.32.0
 google-auth==1.25.0  # TODO: Remove when google-api-core >= 1.26.0 is required