Update htcondor
This fixes the following error from the docs job:
ERROR: Could not find a version that satisfies the requirement htcondor==10.7.0 (from versions: 9.0.17, 10.0.9, 10.9.0, 23.0.0, 23.0.1, 23.0.2, 23.0.3, 23.0.4, 23.0.6, 23.0.8, 23.0.10, 23.0.12, 23.0.14, 23.1.0, 23.2.0, 23.3.0, 23.4.0, 23.5.2, 23.6.1, 23.7.2, 23.8.1, 23.9.0a2, 23.9.0a3, 23.9.6)
ERROR: No matching distribution found for htcondor==10.7.0