Use vg 2.0

Author: sethrj

.github/workflows/build.yaml

@@ -28,7 +28,7 @@ jobs:
       uses: spack/setup-spack@b01309596568e0f36df3e38124601ed3327871ed
       with:
         repository: celeritas-project/spack
-        ref: 760ccc43172ac3bf0d9a07b156f7b1f44c743677 # ci @ 11 Oct 2025
+        ref: 9f21604400bdbf4a586df7813a5af4a02434492b # ci @ 22 Dec 2025
         buildcache: true
         color: true
 

spack.yaml

@@ -15,7 +15,7 @@ spack:
       - root ~aqua ~davix ~examples ~opengl ~x ~tbb cxxstd=20
       - 'vecgeom@1.2.11~cuda+gdml cxxstd=17' # needed for geant4 compatibility
       - 'vecgeom@1.2.11~cuda+gdml cxxstd=20'
-      - 'vecgeom@2.0.0-rc.7+surface~cuda+gdml cxxstd=20'
+      - 'vecgeom@2.0.0+surface~cuda+gdml cxxstd=20'
       - 'geant4@10.5 cxxstd=17'
       - 'geant4@10.6 cxxstd=17'
       - 'geant4@10.7 cxxstd=20'
@@ -37,7 +37,7 @@ spack:
     all:
       variants: cxxstd=20
       require:
-      - "%clang@18" # FIXME: use target=x86_64_v3 on next rebuild
+      - "%clang@18" # target=x86_64_v3 on next rebuild
       - any_of: [+ipo, '@:']
       - any_of: [build_system=cmake, '@:']
       - any_of: [build_type=Release, '@:']