feat: add support for setting a custom benchmark name #333

Job	Run time
cmake-integration-tests (off, ubuntu-latest)	51s
bazel-integration-tests (instrumentation, ubuntu-latest)	1m 17s
cmake-integration-tests (walltime, codspeed-macro)	3m 16s
tests	32s
bazel-integration-tests (walltime, codspeed-macro)	3m 16s
cmake-build (ubuntu-latest, off)	54s
lint	11s
cmake-build (windows-latest, off)	2m 8s
cmake-integration-tests (instrumentation, ubuntu-latest)	1m 21s
bazel-build (ubuntu-latest, walltime, 7.6.2)	27s
bazel-integration-tests (off, ubuntu-latest)	21s
cmake-build (ubuntu-latest, walltime)	1m 8s
bazel-build (ubuntu-latest, off, 9.0.0-pre.20250921.2)	54s
cmake-build (windows-latest, walltime)	2m 28s
bazel-build (ubuntu-latest, walltime, 9.0.0-pre.20250921.2)	1m 6s
bazel-build (ubuntu-latest, off, 8.4.2)	35s
bazel-build (ubuntu-latest, walltime, 8.4.2)	29s
bazel-build (windows-latest, off, 7.6.2)	3m 56s
bazel-build (windows-latest, off, 9.0.0-pre.20250921.2)	1m 59s
bazel-build (windows-latest, off, 8.4.2)	1m 29s
bazel-build (windows-latest, walltime, 7.6.2)	1m 28s
bazel-build (windows-latest, walltime, 8.4.2)	1m 36s
bazel-build (windows-latest, walltime, 9.0.0-pre.20250921.2)	1m 58s
bazel-build (ubuntu-latest, off, 7.6.2)	29s
	34m 9s

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