Low: spice security update (Oracle Linux 8)

[0.14.3-4]
- Disable client-side renegotiation to prevent potential DoS
Resolves: rhbz#1904459

[0.14.3-3]
- Fix some static analyzer issues
- Removed Obsoletes line for spice-client
Related: rhbz#1840240

[0.14.3-2]
- Fix multiple buffer overflows in QUIC decoding code
Resolves: rhbz#1829946

[0.14.3-1]
- Update to 0.14.3
Revolves: rhbz#1840240