fix(migrations): use robust ESM import extensions in Dockerfile for v1.1.9

Dockerfile

@@ -45,7 +45,7 @@ RUN pnpm build
 RUN mkdir -p dist-migrations && \
     npx tsc migrations/*.ts --outDir dist-migrations --module esnext --target esnext --moduleResolution node --esModuleInterop --skipLibCheck || true && \
     cp migrations/*.json dist-migrations/ 2>/dev/null || true && \
-    sed -i 's/from "\.\/\([^"]*\)";/from ".\/\1.js";/g' dist-migrations/index.js
+    sed -i -E 's/(from|import) "\.\/([^"]*)"/\1 ".\/\2.js"/g' dist-migrations/index.js
 
 # Stage 2: Runner
 FROM node:20-alpine AS runner