math/octave-forge: Add optional depencency

 - Add optional dependency math/octave-forge-piqp.
 - Update to 20250323.

math/octave-forge/Makefile

 PORTNAME=	octave-forge
-PORTVERSION=	20250217
-PORTREVISION=	1
+PORTVERSION=	20250323
 CATEGORIES=	math
 
 MAINTAINER=	stephen@FreeBSD.org
@@ -29,7 +28,7 @@ OPTIONS_DEFINE=	AUDIO ACTUARIAL AUTOMATIC_DIFFERENTIATION \
 		OCT2MAT OCTAVE_POOL OCTAVE_TAR OCTAVE_ZSTD \
 		OCTCLIP OCTPROJ ODBC ODEBVP ONSAS OPTICS \
 		OPTIM OPTIMINTERP OUTLIERS PARALLEL PKG_OCTAVE_DOC PDE1DM PLOT \
-		PONCHON_SAVARIT PROMPT PSYCHROMETRICS PYTHONIC QUATERNION \
+		PIQP PONCHON_SAVARIT PROMPT PSYCHROMETRICS PYTHONIC QUATERNION \
 		QUEUEING RTREE SECS1D SECS2D SECS3D SIGNAL SIMP SOCKETS SOLE \
 		SPECFUN \
 		SPARSERSB SPECIAL_MATRIX SPLINES SQLITE STATISTICS \