Adjust git paths for command capture, repo clone destinations #45

Job	Run time
Lint Bazel files with buildifier	13s
Test nanobind_example on ubuntu-latest w/ Python 3.8	24s
Test nanobind_example on ubuntu-latest w/ Python 3.9	21s
Test nanobind_example on ubuntu-latest w/ Python 3.10	26s
Test nanobind_example on ubuntu-latest w/ Python 3.11	24s
Test nanobind_example on ubuntu-latest w/ Python 3.12	30s
Test nanobind_example on macos-latest w/ Python 3.8	1m 15s
Test nanobind_example on macos-latest w/ Python 3.9	1m 15s
Test nanobind_example on macos-latest w/ Python 3.10	1m 26s
Test nanobind_example on macos-latest w/ Python 3.11	1m 13s
Test nanobind_example on macos-latest w/ Python 3.12	1m 19s
Test nanobind_example on windows-latest w/ Python 3.8	1m 56s
Test nanobind_example on windows-latest w/ Python 3.9	2m 15s
Test nanobind_example on windows-latest w/ Python 3.10	2m 13s
Test nanobind_example on windows-latest w/ Python 3.11	2m 14s
Test nanobind_example on windows-latest w/ Python 3.12	2m 46s
	20m 10s

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