HAIP clean-up

[Sakurann]

• add a list of all specifications being profiled: resolves add a list of all specifications being profiled #145 (honestly not sure it is needed....)
• Nit: editorial change: resolves Nit: editorial change #174
• Clarify clause 4.1 statement: resolves Clarify clause 4.1 statement #169
• Old link in section 8 & Claim based binding in OpenID4VP in HAIP: resolves Claim based binding in OpenID4VP in HAIP #183
• Update wording from Client Identifier Scheme to Client Identifier Prefix: resolves Update wording from Client Identifier Scheme to Client Identifier Prefix #182
• Bump ARF version: resolves Bump ARF version #177

[jogu]

Discussed on today's WG call - no one had any concerns but we could do with one more approval, @awoie offered to review - thanks!

[jogu]

We now have an extra approval, all comments have been addressed, discussed on WG calls last week and this week, merging as agreed on today's call.