fix(ci): cmake proto_cpp find

Signed-off-by: jdsika <carlo.van-driesten@bmw.de>

Author: jdsika

CMakeLists.txt

@@ -69,6 +69,9 @@ find_package(Protobuf CONFIG QUIET)
 if(NOT Protobuf_FOUND)
     find_package(Protobuf REQUIRED)
 endif()
+if(NOT COMMAND protobuf_generate_cpp)
+    include(FindProtobuf)
+endif()
 
 file(GLOB OSI_PROTO_FILES open-simulation-interface/*.proto)
 list(INSERT OSI_PROTO_FILES 0 ${CMAKE_CURRENT_BINARY_DIR}/osi_version.proto)