Update protobuf versions

Fixes #1355

Author: ocelotl

dev-requirements.txt

@@ -10,5 +10,5 @@ pytest>=6.0
 pytest-cov>=2.8
 readme-renderer~=24.0
 grpcio-tools==1.29.0
-mypy-protobuf==1.21
-protobuf==3.12.2
+mypy-protobuf>=1.23
+protobuf>=3.13.0

docs/examples/opentelemetry-example-app/setup.cfg

@@ -47,7 +47,7 @@ install_requires =
     opentelemetry-instrumentation-flask == 0.16.dev0
     flask
     requests
-    protobuf~=3.11
+    protobuf>=3.13.0
 
 [options.packages.find]
 where = src

exporter/opentelemetry-exporter-opencensus/setup.cfg

@@ -43,7 +43,7 @@ install_requires =
     opencensus-proto >= 0.1.0, < 1.0.0
     opentelemetry-api == 0.16.dev0
     opentelemetry-sdk == 0.16.dev0
-    protobuf >= 3.8.0
+    protobuf >= 3.13.0
 
 [options.packages.find]
 where = src

instrumentation/opentelemetry-instrumentation-grpc/setup.cfg

@@ -47,7 +47,7 @@ install_requires =
 test =
     opentelemetry-test == 0.16.dev0
     opentelemetry-sdk == 0.16.dev0
-    protobuf == 3.12.2
+    protobuf >= 3.13.0
 
 [options.packages.find]
 where = src

opentelemetry-proto/setup.cfg

@@ -41,7 +41,7 @@ packages=find_namespace:
 zip_safe = False
 include_package_data = True
 install_requires =
-    protobuf~=3.12.2
+    protobuf>=3.13.0
 
 [options.packages.find]
 where = src