This version allows cleanups in modinfo collection, but they only
work with Ninja 1.9.x and 1.8.x is still supported.  It also supports the
equivalent of QEMU's --static option to configure.

The wheel file is bumped to 0.63.3, the last release in the 0.63 branch.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>