Update release_vht.yml

Author: MatthiasHertelArm

.github/workflows/release_vht.yml

@@ -49,7 +49,10 @@ jobs:
       - name: Get history of releases from github
         run: 
           python3 ./tensorflow-pack/tensorflow-build/get_releases.py ${{ secrets.GITHUB_TOKEN }} > ./tensorflow-pack/tensorflow-build/history.txt
-          
+    
+      - name: Debug with tmate on failure
+        uses: mxschmitt/action-tmate@v3
+
       - name: Run the pack build with the revision specified
         run : 
           ./tensorflow-pack/tensorflow-build/build_r.sh ${{ github.event.inputs.revision }} ${{ github.event.inputs.candidate_rev }}