build!: drop compatibility from docker image (#28588)

tools/docker/Dockerfile

@@ -22,13 +22,13 @@ ENV CI=1 npm_config_modules_cache_max_age=0
 COPY pnpm-lock.yaml ./
 
 # only fetch deps from lockfile https://pnpm.io/cli/fetch
-RUN pnpm fetch --prod
+RUN corepack pnpm fetch --prod
 
 COPY . ./
 
 # install
 RUN set -ex; \
-  pnpm install --prod --offline --ignore-scripts; \
+  corepack pnpm install --prod --offline --ignore-scripts; \
   true
 
 # test
@@ -60,18 +60,10 @@ ARG RENOVATE_VERSION
 
 COPY --from=build --chown=root:root /usr/local/renovate/ /usr/local/renovate/
 
-# Compabillity, so `config.js` can access renovate and deps
-RUN set -ex; \
-  mkdir /opt/containerbase/tools/renovate; \
-  echo "${RENOVATE_VERSION}" > /opt/containerbase/versions/renovate; \
-  ln -sf /usr/local/renovate /opt/containerbase/tools/renovate/${RENOVATE_VERSION}; \
-  ln -sf /usr/local/renovate/node_modules ./node_modules; \
-  true
-
 RUN set -ex; \
   renovate --version; \
   renovate-config-validator; \
-  node -e "new require('re2')('.*').exec('test')"; \
+  cd /usr/local/renovate && node -e "new require('re2')('.*').exec('test')"; \
   true
 
 LABEL \