fix: removing temporarily --chmod due to lack of support for buildkit on Archlinux

Dockerfile

@@ -1,7 +1,7 @@
-# syntax=docker/dockerfile-upstream:master
 FROM mcuadros/ofelia:latest
 
-COPY --chmod=775 ./scripts /usr/local/bin
+COPY ./scripts /usr/local/bin
+RUN chmod +x /usr/local/bin/*.sh
 
 RUN mkdir -p ${BACKUP_PATH:-/var/data/backup}