Release 0.14.0

Packaging

• Added dependency on python-requests on RHEL 7

Upgrade handling

Fixes

• Fix migration of Quagga to FRR on 8.4

Enhancements

• Changed supported upgrade paths:
  RHEL-ALT 7.6 -> 8.4
  RHEL 7.9 -> 8.4
  RHEL with SAP 7.7 -> 8.2 (unchanged)
• Download the leapp data from cloud.redhat.com automatically
  when no data are present locally (and system is registered)
• Inhibit the upgrade if the system uses any drivers dropped
  from the target system

Additional changes interesting for devels

• added possibility of dumping leapp archive via serial console
  (undocumented yet)
• Add the fetch shared library
• Add PCIDevice model representing PCI devices
• Add RestrictedPCIDevices representing restricted PCI devices