Update regress.yml

use oras instead og apptainer for pull

Signed-off-by: dhower-qc <[email protected]>

.github/workflows/regress.yml

@@ -12,6 +12,8 @@ jobs:
       uses: actions/checkout@v4
     - name: Setup apptainer
       uses: eWaterCycle/[email protected]
+    - name: Setup oras
+      uses: oras-project/setup-oras@v1
     - name: Get container from cache
       id: cache-sif
       uses: actions/cache@v3
@@ -20,7 +22,7 @@ jobs:
         key: oras://docker.io/riscvintl/spec-generator:0.1
     - if: ${{ steps.cache-sif.outputs.cache-hit != 'true' }}
       name: Download container
-      run: apptainer pull --disable-cache .singularity/image.sif oras://docker.io/riscvintl/spec-generator:0.1
+      run: oras blob fetch --output .singularity/image.sif oras://docker.io/riscvintl/spec-generator:0.1
     - name: Setup project
       run: apptainer run --home ${{ github.workspace }}/.home .singularity/image.sif ./bin/setup
     - name: Build html documentation for generic_rv64