checkout action seems not to like commit hash. Using tag.

.github/workflows/regression.yml

@@ -22,7 +22,7 @@ jobs:
        with:
          repository: YosysHQ/yosys
          path:       coriolis-2.x/src/yosys
-         ref:        69cbef966
+         ref:        yosys-0.24
      - name: Update APT cache
        run: sudo apt-get update
      - name: Install software dependencies
@@ -38,7 +38,7 @@ jobs:
        run: |
          cd ${{ github.workspace }}/coriolis-2.x/src/yosys
          make ENABLE_PYOSYS=1 config-gcc
-         make ENABLE_PYOSYS=1 GIT_REV=69cbef966 PREFIX=${{ github.workspace }}/coriolis-2.x/Linux.x86_64/Release.Shared/install install
+         make ENABLE_PYOSYS=1 PREFIX=${{ github.workspace }}/coriolis-2.x/Linux.x86_64/Release.Shared/install install
      - name: Check for binaries
        run: ls ${{ github.workspace }}/coriolis-2.x/Linux.x86_64/Release.Shared/install/bin
      - name: Build Alliance