fix(deps): allow protobuf < 5.0.0 (#762)

fix(deps): require proto-plus >= 1.22.0

Author: parthea

setup.py

@@ -31,8 +31,8 @@
 dependencies = [
     "grpcio >= 1.38.1, < 2.0dev",  # https://github.com/googleapis/python-pubsub/issues/414
     "google-api-core[grpc] >= 1.32.0, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*",
-    "proto-plus >= 1.15.0, <2.0.0dev",
-    "protobuf >= 3.19.0, <4.0.0dev",
+    "proto-plus >= 1.22.0, <2.0.0dev",
+    "protobuf >= 3.19.0, <5.0.0dev",
     "grpc-google-iam-v1 >=0.12.4, <1.0.0dev",
     "grpcio-status >= 1.16.0",
 ]

testing/constraints-3.7.txt

@@ -7,6 +7,6 @@
 grpcio==1.38.1
 google-api-core==1.32.0
 libcst==0.3.10
-proto-plus==1.15.0
+proto-plus==1.22.0
 grpc-google-iam-v1==0.12.4
 protobuf==3.19.0