feat(dockerimage): make node available on path (#32363)

Author: viceice

tools/docker/Dockerfile

@@ -92,11 +92,14 @@ ARG RENOVATE_VERSION
 
 COPY --link --from=build --chown=root:root /usr/local/renovate/ /usr/local/renovate/
 
+# make our node binary available as last in path
+RUN ln -sf /usr/local/renovate/node /bin/node
+
 # test
 RUN set -ex; \
   renovate --version; \
   pushd /usr/local/renovate/; \
-  ./node -e "new require('re2')('.*').exec('test');new require('better-sqlite3')(':memory:')"; \
+  node -e "new require('re2')('.*').exec('test');new require('better-sqlite3')(':memory:')"; \
   true
 
 LABEL \