chore(go): compose vociferate runtime flow

download-vociferate-binary/action.yml

@@ -0,0 +1,31 @@
+name: vociferate/download-vociferate-binary
+description: Download a released vociferate binary to a target path.
+
+inputs:
+  token:
+    description: Token used to authenticate the download request.
+    required: true
+  asset-url:
+    description: URL of the release asset to download.
+    required: true
+  binary-path:
+    description: Destination path for the downloaded binary.
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Download binary
+      shell: bash
+      env:
+        TOKEN: ${{ inputs.token }}
+        ASSET_URL: ${{ inputs.asset-url }}
+        BINARY_PATH: ${{ inputs.binary-path }}
+      run: |
+        set -euo pipefail
+
+        curl --fail --location \
+          -H "Authorization: token ${TOKEN}" \
+          -o "$BINARY_PATH" \
+          "$ASSET_URL"
+        chmod +x "$BINARY_PATH"