chore: import upstream snapshot with attribution

.github/actions/setup/action.yml

@@ -0,0 +1,50 @@
+name: 'Setup'
+description: 'Set up QEMU and Buildx'
+inputs:
+  GITHUB_TOKEN:
+    required: true
+outputs:
+  image-name:
+    value: ghcr.io/${{ steps.lowercaseRepo.outputs.lowercase }}:${{ steps.create-short-sha.outputs.SHORT_SHA }}
+  cache-name:
+    value: ghcr.io/${{ steps.lowercaseRepo.outputs.lowercase }}:cache
+runs:
+  using: "composite"
+  steps:
+    # Stop docker so we can mount more space at /var/lib/docker
+    - name: Stop docker
+      run: sudo systemctl stop docker
+      shell: bash
+    # This creates a virtual volume at /var/lib/docker to maximize the size
+    # As of 2/14/2024, this results in 97G for docker images
+    - name: Maximize build space
+      uses: easimon/maximize-build-space@master
+      with:
+        remove-dotnet: 'true'
+        remove-android: 'true'
+        remove-haskell: 'true'
+        remove-codeql: 'true'
+        build-mount-path: '/var/lib/docker'
+    - name: Start docker
+      run: sudo systemctl start docker
+      shell: bash
+    - id: lowercaseRepo
+      uses: ASzc/change-string-case-action@v5
+      with:
+        string: ${{ github.repository }}
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Log in to the Container registry
+      uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ inputs.GITHUB_TOKEN }}
+    - name: Create version file
+      run: make version
+      shell: bash
+    - id: create-short-sha
+      run: echo "SHORT_SHA=${GITHUB_SHA::7}" >> $GITHUB_OUTPUT
+      shell: bash