pin protobuf

Author: lia-viam

conanfile.py

@@ -47,7 +47,7 @@ def requirements(self):
 
         # The SDK supports older grpc and protobuf, but these are the oldest
         # maintained conan packages.
-        self.requires('protobuf/[>=3.17.1]')
+        self.requires('protobuf/[>=3.17.1 <=5.27.0]')
 
         if self.settings.compiler.cppstd in ["14", "gnu14"]:
             self.requires('grpc/[>=1.48.4 <1.70.0]')
@@ -59,8 +59,12 @@ def requirements(self):
 
     def build_requirements(self):
         if self.options.offline_proto_generation:
-            self.tool_requires('grpc/[>=1.48.4]')
-            self.tool_requires('protobuf/[>=3.17.1]')
+            if self.settings.compiler.cppstd in ["14", "gnu14"]:
+                self.tool_requires('grpc/[>=1.48.4 <1.70.0]')
+            else:
+                self.tool_requires('grpc/[>=1.48.4]')
+
+            self.tool_requires('protobuf/[>=3.17.1 <= 5.27.0]')
 
     def layout(self):
         cmake_layout(self)