Bumps grpcio to version 1.50

Currently, pinning to a version of grpcio <1.50 can cause build errors
on newer versions of python+pip - the existing setup.py install method
of building libararies is being deprecated and wheels are not being
backported for older versions of grpcio.  Since this change is a no-op
as far as our python proto clients are concerned, it feels safe to bump
to a version that will be supported going forward

changelog/pending/20221122--sdk-python--bumps-grpcio-to-1-50.yaml

@@ -0,0 +1,4 @@
+changes:
+- type: chore
+  scope: sdk/python
+  description: Bumps grpcio to 1.50

proto/.checksum.txt

@@ -1,4 +1,4 @@
-283055245 2069 proto/build-container/Dockerfile
+3850377987 2069 proto/build-container/Dockerfile
 3003861496 625 proto/build-container/scripts/install-go.sh
 853251015 873 proto/build-container/scripts/install-node.sh
 2003827277 549 proto/build-container/scripts/install-packages.sh

proto/build-container/Dockerfile

@@ -54,6 +54,6 @@ RUN PROTOC_VERSION=3.20.1 \
     PROTOC_GEN_GO_VERSION=1.5.2 \
     NODEJS_GRPC_VERSION=1.24.2 \
     NODEJS_GRPC_TOOLS_VERSION=1.8.1 \
-    PYTHON_GRPCIO_VERSION=1.49.1 \
-    PYTHON_GRPCIO_TOOLS_VERSION=1.49.1 \
+    PYTHON_GRPCIO_VERSION=1.50.0 \
+    PYTHON_GRPCIO_TOOLS_VERSION=1.50.0 \
     /build-scripts/install-protobuf-tools.sh

sdk/python/lib/setup.py

@@ -45,7 +45,7 @@ def readme():
       # Keep this list in sync with Pipfile
       install_requires=[
           'protobuf~=4.21',
-          'grpcio==1.47',
+          'grpcio==1.50',
           'dill~=0.3',
           'six~=1.12',
           'semver~=2.8',

sdk/python/requirements.txt

@@ -1,7 +1,7 @@
 # Packages needed by the library.
 # Keep this list in sync with setup.py.
 protobuf~=4.21
-grpcio==1.47
+grpcio==1.50
 dill~=0.3
 six~=1.12
 semver~=2.8