update: add dev_certificates in Dockerfile

Dockerfile

@@ -58,6 +58,7 @@ COPY --from=builder /etc/mime.types /etc/mime.types
 
 # Copy static executable and application resources
 COPY --from=builder /app/cybersignal /app/cybersignal
+COPY --from=builder /app/dev_certificates /app/dev_certificates
 COPY --from=builder /app/web /app/web
 COPY --from=builder /app/configs /app/configs