devel/intel-graphics-compiler: update to 1.0.12260.1

Changes:	https://github.com/intel/intel-graphics-compiler/releases/tag/igc-1.0.12260.1
Reported by:	GitHub (watch releases)

devel/intel-graphics-compiler/Makefile

 PORTNAME=	intel-graphics-compiler
 DISTVERSIONPREFIX=	igc-
-DISTVERSION=	1.0.12149.1
+DISTVERSION=	1.0.12260.1
 CATEGORIES=	devel
 PKGNAMESUFFIX=	-${FLAVOR}
 

devel/intel-graphics-compiler/distinfo

-TIMESTAMP = 1663270230
-SHA256 (intel-intel-graphics-compiler-igc-1.0.12149.1_GH0.tar.gz) = 44f67f24e3bc5130f9f062533abf8154782a9d0a992bc19b498639a8521ae836
-SIZE (intel-intel-graphics-compiler-igc-1.0.12149.1_GH0.tar.gz) = 8874232
+TIMESTAMP = 1664444809
+SHA256 (intel-intel-graphics-compiler-igc-1.0.12260.1_GH0.tar.gz) = 5079e8a01fc64c167ca6f96d0087513406664b9e8692d56479f7c69c19253d5d
+SIZE (intel-intel-graphics-compiler-igc-1.0.12260.1_GH0.tar.gz) = 8887984
 SHA256 (KhronosGroup-SPIRV-Headers-1.5.4.raytracing.fixed-123-g814e728_GH0.tar.gz) = e4880dccda018f63cdc684afd5e51972d8ad2e3f21e9bab346a865370ea2929e
 SIZE (KhronosGroup-SPIRV-Headers-1.5.4.raytracing.fixed-123-g814e728_GH0.tar.gz) = 416402
 SHA256 (KhronosGroup-SPIRV-Tools-v2021.4_GH0.tar.gz) = d68de260708dda785d109ff1ceeecde2d2ab71142fa5bf59061bb9f47dd3bb2c