tools/create-test-repo.sh will now enter a subshell
immediately inside the temporary git repo directory, and reconfigure
hatch to be able to run from that that directory.
This avoids developers having to manually type the cd command to enter
the correct temp repo after creation and having to reconfigure hatch.
coverage: 99.661%. remained the same when pulling b06426ca876c598022e2f1789b1c074817021b5d on tools-test-repo-subshell into 6a2caaa86ccaae79ff0bc8b7fae55c32a2dcd663 on main.
tools/create-test-repo.sh will now enter a subshell immediately inside the temporary git repo directory, and reconfigure hatch to be able to run from that that directory.
This avoids developers having to manually type the cd command to enter the correct temp repo after creation and having to reconfigure hatch.