Switch to latest version of key4hep-build workflow

.github/workflows/key4hep.yml

@@ -1,28 +1,49 @@
-name: Key4hep build
+# Do not edit this file, it will be overwritten!
+# The template file can be found in
+# https://github.com/key4hep/key4hep-actions/blob/main/workflows/key4hep-build.yaml
 
+name: Key4hep build
 on:
   push:
     branches:
-    - master
+      - master
   pull_request:
   workflow_dispatch:
   schedule:
-    - cron: 16 4 * * 1
+    - cron: "16 4 * * *"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   build:
-    runs-on: ubuntu-latest
     strategy:
-      fail-fast: false
       matrix:
         build_type: ["release", "nightly"]
         image: ["alma9"]
         include:
-          - build_type: "nightly"
+          - build_type: nightly
             image: ubuntu24
+          - build_type: nightly
+            image: ubuntu26
+      fail-fast: false
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/key4hep/key4hep-images/${{ matrix.image }}-cvmfs
+      options: --privileged
+      volumes:
+        - /home/runner/.cache/ccache:/root/.cache/ccache
+    defaults:
+      run:
+        shell: bash
     steps:
-    - uses: actions/checkout@v5
-    - uses: key4hep/key4hep-actions/key4hep-build@main
-      with:
-        build_type: ${{ matrix.build_type }}
-        image: ${{ matrix.image }}
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 #v7.0.1
+      - name: Mount CVMFS
+        run: /mount.sh
+      - uses: key4hep/key4hep-actions/cache-external-data@main
+      - uses: key4hep/key4hep-actions/key4hep-build@main
+        with:
+          build_type: ${{ matrix.build_type }}
+          image: ${{ matrix.image }}
+          stack: ${{ matrix.stack }}