build: correct prerelease number

.github/workflows/main.yaml

@@ -43,9 +43,18 @@ jobs:
       - name: Extract latest tag and set filename
         id: meta
         run: |
-          LAST_TAG=$(git describe --tags --abbrev=0)
+          # Last stable tag.
+          LAST_TAG=$(git tag --sort=-v:refname | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$' | head -n 1)
+
+          # Fallback
+          if [ -z "$LAST_TAG" ]; then
+            LAST_TAG="v0.0.0"
+          fi
+          
+          echo "Last Tag: $LAST_TAG"
           SHORT_SHA=$(git rev-parse --short=7 HEAD)
-          TAG="${LAST_TAG}+${SHORT_SHA}"
+          DATE=$(date +%Y%m%d)
+          TAG="${LAST_TAG}-dev.${DATE}+${SHORT_SHA}"
           echo "tag=$TAG" >> $GITHUB_OUTPUT
           echo "filename=oc_telegram_shop_${TAG}.ocmod.zip" >> $GITHUB_OUTPUT