Update preview.yml

.github/workflows/preview.yml

@@ -14,7 +14,7 @@ jobs:
 
       - name: Get the version
         id: get_version
-        run: echo ::set-output name=version::${GITHUB_REF#refs/tags/R}
+        run: echo ::set-output name=version::${GITHUB_REF#refs/tags/Pre*-R}
 
       - name: Changelog Parser
         id: changelog
@@ -28,9 +28,10 @@ jobs:
       - name: Set the version
         run: |
           DEV=${{ steps.get_version.outputs.version }}
-          sed -i -e "s/DEV/123/g" manifest.json
-          sed -i -e "s/DEV/123/g" instance.cfg
-          sed -i -e "s/DEV/123/g" .minecraft/config/fancymenu/customization/main_menu.txt
+          echo $DEV
+          sed -i -e "s/DEV/${DEV}/g" manifest.json
+          sed -i -e "s/DEV/${DEV}/g" instance.cfg
+          sed -i -e "s/DEV/${DEV}/g" .minecraft/config/fancymenu/customization/main_menu.txt
 
       - name: Archive Release MMC
         run: zip -r TerraFirmaGreg-1.20-${{ steps.get_version.outputs.version }}-mmc.zip mmc-pack.json instance.cfg .minecraft/