fix: perf instrumentation not available for cpp codspeed #157

Job	Run time
cmake-integration-tests (instrumentation, ubuntu-latest)	1m 41s
cmake-integration-tests (walltime, codspeed-macro)	3m 34s
lint	16s
bazel-integration-tests (off, ubuntu-latest)	21s
cmake-integration-tests (off, ubuntu-latest)	55s
bazel-integration-tests (walltime, codspeed-macro)	2m 27s
tests	20s
windows-bazel-build (walltime)	1m 13s
windows-bazel-build (off)	1m 10s
bazel-integration-tests (instrumentation, ubuntu-latest)	1m 55s
windows-cmake-build (walltime)	2m 37s
windows-cmake-build (off)	2m 2s
	18m 31s

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