Update CI and docker

.gitea/workflows/rpm.yml

@@ -56,9 +56,22 @@ jobs:
             *.deb
           retention-days: 7
           if-no-files-found: warn
+  gpu-test:
+    name: GPU test
+    runs-on: jfjoch_rocky8
+    container:
+      image: gitea.psi.ch/leonarski_f/jfjoch_rocky8:2509
+      options: --gpus all
+    steps:
+      - name: List GPUs
+        shell: bash
+        run: nvidia-smi
   unit-tests:
     name: Unit tests
     runs-on: jfjoch_rocky8
+    container:
+      image: gitea.psi.ch/leonarski_f/jfjoch_rocky8:2509
+      options: --gpus all
     timeout-minutes: 90
     env:
       CTEST_OUTPUT_ON_FAILURE: '1'

docker/rocky8/Dockerfile

@@ -48,6 +48,7 @@ RUN dnf -y update && \
       zlib-static \
       java-21-openjdk-headless \
       java-21-openjdk-devel \
+      python3 \
       freetype-devel && \
     dnf clean all && rm -rf /var/cache/dnf