ci: fix dl cache not being updated in package step

.gitlab-ci.yml

@@ -23,11 +23,15 @@ default:
     - git -C ffs-openwrt-dl-cache pull
     - rm -rf gluon/openwrt/dl && mkdir -p gluon/openwrt && ln -s ../../ffs-openwrt-dl-cache gluon/openwrt/dl
     - rm -rf gluon/openwrt/staging_dir && mkdir -p staging_dir && ln -s ../../staging_dir gluon/openwrt/staging_dir
+  after_script:
+    - cd gluon/openwrt/dl && git add . && git commit -m "update DL cache" && git push || true
 
 generate_date:
   stage: generate_date
   before_script:
     - echo dummy
+  after_script:
+    - echo dummy
   script: 
     - date '+%Y-%m-%d' > build.date
   artifacts:
@@ -54,7 +58,6 @@ update:
     - tags
   script:
     - make -C gluon GLUON_SITEDIR="$CI_PROJECT_DIR" GLUON_TARGET="$GLUON_TARGET" GLUON_BRANCH=stable FFS_BUILD_DATE=$(cat build.date) BROKEN="$BROKEN" V=1 -j`nproc`
-    - cd gluon/openwrt/dl && git add . && git commit -m "update DL cache" && git push || true
   artifacts: 
     paths:
       - gluon/output/