fix: perf instrumentation not available for cpp codspeed #205

Job	Run time
tests	11s
lint	10s
cmake-integration-tests (walltime, codspeed-macro)	1s
cmake-integration-tests (off, ubuntu-latest)	38s
windows-cmake-build (walltime)	2m 0s
bazel-integration-tests (off, ubuntu-latest)	26s
bazel-integration-tests (walltime, codspeed-macro)	1s
windows-cmake-build (off)	1m 49s
cmake-integration-tests (instrumentation, ubuntu-latest)	20s
bazel-integration-tests (instrumentation, ubuntu-latest)	24s
windows-bazel-build (walltime)	1m 54s
windows-bazel-build (off)	1m 17s
	9m 11s

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