rgc:audio updates Pentagon I to v1.4

rgc:audio has updated Pentagon I to v1.4.

New in v1.4:

• New "Analog Transverse Section" sound bank by BigTone (Brok Landers).

Miscellaneous enhancements and fixes

• Wavetables for .p1 files are automatically loaded on .fxb bank loading.
• P4 denormal bug fixed (when parallel filters were used).
• CPU usage decreased.