[sql] Dirge/Sirvente AoE songs

[sruon]

I affirm:

• I understand that if I do not agree to the following points by completing the checkboxes my PR will be ignored.
• I understand I should leave resolving conversations to the LandSandBoat team so that reviewers won't miss what was said.
• I have read and understood the Contributing Guide and the Code of Conduct.
• I have tested my code and the things my code has changed since the last commit in the PR and will test after any later commits.

What does this pull request do?

Make Adventurer's Dirge and Foe Sirvente songs AoE type 5 (AoE affected by Pianissimo)
Also changes the validTargets from

TARGET_SELF
TARGET_PLAYER_PARTY

to

TARGET_SELF
TARGET_PLAYER_PARTY_PIANISSIMO

Steps to test these changes

!changejob BRD 99
!addallspells

Sing them with another PC. See it affects both.