Rename Exploitation:PoC to Exploitation:Public PoC

[ahouseholder]

Should we re-name this to "Public PoC" to emphasize it's not just a PoC used to validate that the vulnerability is a real vulnerability?

Originally posted by @j--- in #328 (comment)

[ahouseholder]

Presumably this would retain the rest of the definition as-is, so if this is just changing the name = "PoC" line 17 I don't see a problem with that.

SSVC/src/ssvc/decision_points/exploitation.py

Lines 16 to 22 in 798ff57

	POC = SsvcDecisionPointValue(
	name="PoC",
	key="P",
	description="One of the following cases is true: (1) private evidence of exploitation is attested but not shared; "
	"(2) widespread hearsay attests to exploitation; (3) typical public PoC in places such as Metasploit"
	" or ExploitDB; or (4) the vulnerability has a well-known method of exploitation.",
	)

[ahouseholder]

Note that #353 would also modify the description. If it makes sense to resolve both of these in the same PR that's fine, or separately is ok, too - especially if (as it appears to me) #353 is likely a bit more work than this one, although it still seems rather quick/small to me.

[ccullen-cert]

Here is the Pull request for this issue: #442