Why do you need to have node installed to run setup-node?

.forgejo/runner/Dockerfile

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+FROM barichello/godot-ci:4.5.1
+
+# Install Node 24 from Alpine
+RUN apt-get update && apt-get install -y curl \
+    && curl -fsSL https://deb.nodesource.com/setup_24.x | bash - \
+    && apt-get install -y nodejs \
+    && rm -rf /var/lib/apt/lists/*
+
+# Verify installations
+RUN node --version
+