examples(google_benchmark): add debug info to example

Author: GuillaumeLagrange

examples/google_benchmark/CMakeLists.txt

@@ -3,6 +3,9 @@ include(FetchContent)
 
 project(codspeed_picobench_compat VERSION 0.0.0 LANGUAGES CXX)
 
+# On the small benchmarks of this repo, most of the benches will be optimized out, but this is expected.
+set(CMAKE_BUILD_TYPE RelWithDebInf)
+
 option(BENCHMARK_ENABLE_GTEST_TESTS OFF)
 
 FetchContent_Declare(