Update Dockerfile

Dockerfile

@@ -17,7 +17,7 @@ RUN curl -s https://api.github.com/repos/gitpod-io/openvscode-server/releases/la
     grep "tag_name" | awk '{print substr($2, 2, length($2)-3)}' | \
     { read CODE_RELEASE; \
       mkdir -p /app/openvscode-server && \
-      curl -o /tmp/openvscode-server.tar.gz -L "https://github.com/gitpod-io/openvscode-server/releases/download/openvscode-server-v${CODE_RELEASE}/openvscode-server-v${CODE_RELEASE}-linux-x64.tar.gz" && \
+      curl -o /tmp/openvscode-server.tar.gz -L "https://github.com/gitpod-io/openvscode-server/releases/download/${CODE_RELEASE}/${CODE_RELEASE}-linux-x64.tar.gz" && \
       tar xf /tmp/openvscode-server.tar.gz -C /app/openvscode-server/ --strip-components=1; } \
     && rm -f /tmp/openvscode-server.tar.gz