Update subsurface-libdc to 4.9.8

Summary:
Update subsurface-libdc to 4.9.8

Changes:

• add support for the Oceanic Geo 4.0, ProPlus 4
• add support for the Scubapro Aladin A1
• add support for the Sherwood Wisdom 4
• clean up Shearwater tank pressure handling
• work around Pelagic BLE oddity (Oceanic Pro Plus X and Aqualung i770R)
• OSTC3 firmware update improvements
• minor fixlets

Test Plan: Build and ran Subsurface with this version

Reviewers: Triage Team, JoshStrobl

Reviewed By: Triage Team, JoshStrobl

Subscribers: JoshStrobl

Differential Revision: https://dev.getsol.us/D10005