Don't wait for lockfile

[OwenMPhillips]

https://symless.atlassian.net/browse/S3-2302

To test:
Run python scripts/install_deps.py on Windows.

[github-actions]

Test results

See workflow run for test output.

Job name	Unit tests	Integration tests
macos-14-arm64	✅ Pass	✅ Pass
linux-ubuntu-22.04-amd64	✅ Pass	✅ Pass
linux-almalinux-9-amd64	✅ Pass	✅ Pass
linux-debian-12-amd64	✅ Pass	✅ Pass
linux-rockylinux-9-amd64	✅ Pass	✅ Pass
linux-debian-13-amd64	✅ Pass	✅ Pass
linux-opensuse-amd64	✅ Pass	✅ Pass
linux-fedora-39-amd64	✅ Pass	✅ Pass
linux-fedora-40-amd64	✅ Pass	✅ Pass
linux-ubuntu-24.04-amd64	✅ Pass	✅ Pass
linux-archlinux-amd64	✅ Pass	✅ Pass
linux-manjaro-amd64	✅ Pass	✅ Pass
linux-ubuntu-22.04-amd64	✅ Pass	✅ Pass
macos-13-x64	✅ Pass	✅ Pass
linux-almalinux-9-amd64	✅ Pass	✅ Pass
linux-rockylinux-9-amd64	✅ Pass	✅ Pass
linux-debian-12-amd64	✅ Pass	✅ Pass
linux-opensuse-amd64	✅ Pass	✅ Pass
windows-2022-x64	✅ Pass	✅ Pass
linux-fedora-40-amd64	✅ Pass	✅ Pass
linux-debian-13-amd64	✅ Pass	✅ Pass
linux-ubuntu-24.04-amd64	✅ Pass	✅ Pass
linux-archlinux-amd64	✅ Pass	✅ Pass
linux-manjaro-amd64	✅ Pass	✅ Pass
macos-14-arm64	✅ Pass	✅ Pass
macos-13-x64	✅ Pass	✅ Pass
windows-2022-x64	✅ Pass	✅ Pass

[github-actions]

Valgrind summary

See workflow run for full valgrind output.

Unit tests

==3747== HEAP SUMMARY:
==3747==     in use at exit: 50,627 bytes in 331 blocks
==3747==   total heap usage: 36,669 allocs, 36,338 frees, 6,114,602 bytes allocated

==3747== LEAK SUMMARY:
==3747==    definitely lost: 334 bytes in 10 blocks
==3747==    indirectly lost: 734 bytes in 13 blocks
==3747==      possibly lost: 0 bytes in 0 blocks
==3747==    still reachable: 47,543 bytes in 287 blocks
==3747==         suppressed: 0 bytes in 0 blocks
==3747== 
==3747== ERROR SUMMARY: 28 errors from 28 contexts (suppressed: 0 from 0)

Integration tests

==3764== HEAP SUMMARY:
==3764==     in use at exit: 42,292 bytes in 323 blocks
==3764==   total heap usage: 3,030 allocs, 2,707 frees, 774,043 bytes allocated

==3764== LEAK SUMMARY:
==3764==    definitely lost: 912 bytes in 39 blocks
==3764==    indirectly lost: 80 bytes in 4 blocks
==3764==      possibly lost: 1,600 bytes in 4 blocks
==3764==    still reachable: 37,684 bytes in 255 blocks
==3764==         suppressed: 0 bytes in 0 blocks
==3764== 
==3764== ERROR SUMMARY: 44 errors from 44 contexts (suppressed: 0 from 0)