two builds missing, total is 18

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

Author: vsoch

examples/experiment-lammps/manifests.yaml

@@ -1,5 +1,5 @@
 # manifest.yaml is a matching of image URI to artifact URI
-# We have 8 arm64 and 8 amd64 builds, with/without gpu, openmpi, mpich, rocky and ubuntu
+# We have 8 arm64 and 10 amd64 builds, with/without gpu, openmpi, mpich, rocky and ubuntu
 images:
  - name: ghcr.io/rse-ops/lammps-matrix:openmpi-ubuntu-22.04-arm64
  artifact: ghcr.io/rse-ops/lammps-matrix:openmpi-ubuntu-22.04-arm64-compspec
@@ -33,3 +33,7 @@ images:
  artifact: ghcr.io/rse-ops/lammps-matrix:openmpi-ubuntu-gpu-20.04-amd64-compspec
  - name: ghcr.io/rse-ops/lammps-matrix:openmpi-ubuntu-gpu-22.04-amd64
  artifact: ghcr.io/rse-ops/lammps-matrix:openmpi-ubuntu-gpu-22.04-amd64-compspec
+ - name: ghcr.io/rse-ops/lammps-matrix:openmpi-rocky-gpu-9-amd64
+ artifact: ghcr.io/rse-ops/lammps-matrix:openmpi-rocky-gpu-9-amd64-compspec
+ - name: ghcr.io/rse-ops/lammps-matrix:openmpi-rocky-gpu-8-amd64
+ artifact: ghcr.io/rse-ops/lammps-matrix:openmpi-rocky-gpu-8-amd64-compspec