chore: Upgrade proto version to v0.50.0 (#51)

Signed-off-by: gsstoykov <[email protected]>

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.21...3.24)
-project(hedera-protobufs-cpp VERSION 0.49.0 DESCRIPTION "Hedera C++ Protobuf Library" LANGUAGES CXX)
+project(hedera-protobufs-cpp VERSION 0.50.0 DESCRIPTION "Hedera C++ Protobuf Library" LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -19,10 +19,10 @@ find_package(re2 CONFIG REQUIRED)
 find_package(c-ares CONFIG REQUIRED)
 find_package(absl CONFIG REQUIRED)
 
-set(HAPI_VERSION_TAG "v0.49.0" CACHE STRING "Use the configured version tag for the Hedera API protobufs")
+set(HAPI_VERSION_TAG "v0.50.0" CACHE STRING "Use the configured version tag for the Hedera API protobufs")
 
 if (HAPI_VERSION_TAG STREQUAL "")
-    set(HAPI_VERSION_TAG "v0.49.0")
+    set(HAPI_VERSION_TAG "v0.50.0")
 endif ()
 
 # Fetch the protobuf definitions