feat: add PoC for options OOB

[nbolton]

Master:

./cve_XXXX_XXXXX_options_oob.py
CVE-XXXX-XXXXX — dsop options odd-length out-of-bounds read
malicious server on 127.0.0.1:24800
start a deskflow client (tls disabled) pointed at this address

[*] waiting for client
client connected from 127.0.0.1:37964, helloback: 24 bytes
sent malformed dsop, vector length 1, option id heartbeat, no value
[FAIL] client dropped connection — VULNERABLE (CVE-XXXX-XXXXX)

deskflow/deskflow#9907

 ./cve_XXXX_XXXXX_options_oob.py
CVE-XXXX-XXXXX — dsop options odd-length out-of-bounds read
malicious server on 127.0.0.1:24800
start a deskflow client (tls disabled) pointed at this address

[*] waiting for client
client connected from 127.0.0.1:54780, helloback: 24 bytes
sent malformed dsop, vector length 1, option id heartbeat, no value
[PASS] client survived — odd-length options rejected, fix in place