ci: execute reproducible script from tag (#6485)

* ci: execute reproducible script from tag

* ci: target our repository tags

.github/workflows/reproduce-schedule.yml

@@ -9,9 +9,6 @@ jobs:
   reproduce:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
       - name: Get latest release
         shell: bash
         run: |
@@ -23,6 +20,12 @@ jobs:
           grep -i "tag_name" | \
           awk -F \" '{print "TAG="$4}' >> $GITHUB_ENV
 
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ env.TAG }}
+          repository: simplex-chat/simplex-chat
+
       # Otherwise we run out of disk space with Docker build
       - name: Free disk space
         shell: bash