scripted-diff: Rename CAddrMan to AddrMan

-BEGIN VERIFY SCRIPT-
git grep -l CAddrMan src/ test/ | xargs sed -i 's/CAddrMan/AddrMan/g'
-END VERIFY SCRIPT-

src/netaddress.cpp

@@ -165,7 +165,7 @@ void CNetAddr::SetLegacyIPv6(Span<const uint8_t> ipv6)
 }
 
 /**
- * Create an "internal" address that represents a name or FQDN. CAddrMan uses
+ * Create an "internal" address that represents a name or FQDN. AddrMan uses
  * these fake addresses to keep track of which DNS seeds were used.
  * @returns Whether or not the operation was successful.
  * @see NET_INTERNAL, INTERNAL_IN_IPV6_PREFIX, CNetAddr::IsInternal(), CNetAddr::IsRFC4193()