build(docker): use absolute path to stay consistent

Dockerfile.alpine

@@ -38,7 +38,7 @@ RUN sed -i "/electron/d" package.json && \
     npm cache clean --force && \
     rm -rf \
       /tmp/node-compile-cache \
-      ./bin/cleanupNodeModules.ts
+      /usr/src/app/bin/cleanupNodeModules.ts
 
 # Add application user
 RUN adduser -s /bin/false node; exit 0