fix: perf instrumentation not available for cpp codspeed #165

Job	Run time
tests	21s
cmake-integration-tests (off, ubuntu-latest)	47s
cmake-integration-tests (walltime, codspeed-macro)	50s
cmake-integration-tests (instrumentation, ubuntu-latest)	33s
windows-cmake-build (walltime)	59s
windows-bazel-build (walltime)	55s
windows-cmake-build (off)	1m 2s
windows-bazel-build (off)	51s
bazel-integration-tests (instrumentation, ubuntu-latest)	17s
bazel-integration-tests (walltime, codspeed-macro)	1s
lint	16s
bazel-integration-tests (off, ubuntu-latest)	33s
	7m 25s

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