Install Node.js from pinned tarball

Dockerfile

@@ -19,11 +19,16 @@ RUN apt-get update \
         python3-setuptools \
         python3-wheel \
         unzip \
+        xz-utils \
     && rm -rf /var/lib/apt/lists/*
 
-RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
-    && apt-get install -y --no-install-recommends nodejs \
-    && rm -rf /var/lib/apt/lists/*
+ENV NODE_VERSION=20.19.5
+RUN curl -fsSL "https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-x64.tar.xz" -o /tmp/node.tar.xz \
+    && mkdir -p /opt/node \
+    && tar -xJf /tmp/node.tar.xz -C /opt/node --strip-components=1 \
+    && rm /tmp/node.tar.xz
+
+ENV PATH=/opt/node/bin:${PATH}
 
 RUN python3 -m pip install --no-cache-dir "mbed-cli==1.10.5"