[ci] Added pip freeze to cross-arch tests

Signed-off-by: Tiyash Basu <[email protected]>

Author: tiyash-basu-frequenz

.github/containers/nox-cross-arch/entrypoint.bash

@@ -5,5 +5,6 @@ echo "System details:" $(uname -a)
 echo "Machine:" $(uname -m)
 
 pip install -e .[dev-noxfile]
+pip freeze
 
 exec "$@"