Merge pull request #12979 from manuelh-dev/mahuber/erofs-tmpfs-mount

runtime-rs/agent: support EROFS snapshots without a rwlayer

.github/workflows/run-kata-coco-tests.yaml

@@ -399,7 +399,7 @@ jobs:
 
   # Generate jobs for testing CoCo on non-TEE environments with erofs-snapshotter
   run-k8s-tests-coco-nontee-with-erofs-snapshotter:
-    name: run-k8s-tests-coco-nontee-with-erofs-snapshotter
+    name: run-k8s-tests-coco-nontee-with-erofs-snapshotter-${{ matrix.erofs-mode }}
     strategy:
       fail-fast: false
       matrix:
@@ -409,8 +409,11 @@ jobs:
           - erofs
         pull-type:
           - default
+        erofs-mode:
+          - disk
+          - memory
     concurrency:
-      group: ${{ github.workflow }}-${{ github.job }}-${{ github.event.pull_request.number || github.ref }}
+      group: ${{ github.workflow }}-${{ github.job }}-${{ github.event.pull_request.number || github.ref }}-${{ toJSON(matrix) }}
       cancel-in-progress: true
     runs-on: ubuntu-24.04
     environment:
@@ -431,6 +434,7 @@ jobs:
       CONTAINER_ENGINE_VERSION: "v2.3"
       PULL_TYPE: ${{ matrix.pull-type }}
       SNAPSHOTTER: ${{ matrix.snapshotter }}
+      EROFS_SNAPSHOTTER_MODE: ${{ matrix.erofs-mode }}
       USE_EXPERIMENTAL_SETUP_SNAPSHOTTER: "true"
       K8S_TEST_HOST_TYPE: "all"
       # We are skipping the auto generated policy tests for now,