fix: perf instrumentation not available for cpp codspeed #183

Job	Run time
tests	17s
lint	13s
cmake-integration-tests (instrumentation, ubuntu-latest)	1m 35s
cmake-integration-tests (walltime, codspeed-macro)	3m 38s
bazel-integration-tests (instrumentation, ubuntu-latest)	1m 2s
cmake-integration-tests (off, ubuntu-latest)	1m 4s
bazel-integration-tests (off, ubuntu-latest)	25s
windows-bazel-build (walltime)	1m 23s
windows-bazel-build (off)	1m 20s
windows-cmake-build (off)	2m 1s
bazel-integration-tests (walltime, codspeed-macro)	2m 34s
windows-cmake-build (walltime)	2m 19s
	17m 51s

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