fix: initialize g_hooks before using it #323

Job	Run time
tests	18s
bazel-integration-tests (off, ubuntu-latest)	25s
bazel-integration-tests (instrumentation, ubuntu-latest)	1m 36s
cmake-integration-tests (instrumentation, ubuntu-latest)	3m 28s
cmake-integration-tests (walltime, codspeed-macro)	3m 2s
lint	17s
cmake-build (ubuntu-latest, off)	50s
cmake-integration-tests (off, ubuntu-latest)	1m 9s
bazel-build (ubuntu-latest, off, 7.6.2)	35s
bazel-build (ubuntu-latest, off, 9.0.0-pre.20250921.2)	58s
bazel-build (ubuntu-latest, walltime, 8.4.2)	34s
bazel-build (ubuntu-latest, off, 8.4.2)	38s
cmake-build (ubuntu-latest, walltime)	1m 10s
bazel-build (ubuntu-latest, walltime, 9.0.0-pre.20250921.2)	1m 2s
bazel-build (windows-latest, off, 8.4.2)	1m 44s
bazel-build (windows-latest, walltime, 8.4.2)	2m 21s
cmake-build (windows-latest, off)	2m 41s
bazel-build (windows-latest, off, 7.6.2)	1m 35s
bazel-build (ubuntu-latest, walltime, 7.6.2)	34s
bazel-build (windows-latest, walltime, 9.0.0-pre.20250921.2)	1m 54s
cmake-build (windows-latest, walltime)	2m 39s
bazel-build (windows-latest, walltime, 7.6.2)	1m 9s
bazel-build (windows-latest, off, 9.0.0-pre.20250921.2)	1m 32s
bazel-integration-tests (walltime, codspeed-macro)	3m 9s
	35m 20s

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