Set py7zr version build on CentOS

Signed-off-by: Éloïse Brosseau <[email protected]>

Author: eloisebrosseau

requirements.txt

@@ -3,6 +3,7 @@
 pyyaml              # License: MIT License (MIT)
 requests            # License: Apache Software License (Apache 2.0)
 wheel               # License: MIT License (MIT)
-py7zr               # License: GNU Lesser General Public License v2 or later (LGPLv2+) (LGPL-2.1-or-later)
+pyzstd==0.15.9      # License: BSD License (BSD-3-Clause)
+py7zr==0.21.1       # License: GNU Lesser General Public License v2 or later (LGPLv2+) (LGPL-2.1-or-later)
 dohq-artifactory    # License: MIT License (MIT License)
 pre-commit          # License: MIT License (MIT)