add 0.3.1 tag pointer to protect hf app from breaking yolov5 to detr changes in main

gradio/app.py

@@ -1278,7 +1278,8 @@ def launch_demo_via_huggingface():
 
     # Get protected private repository installation command from Huggingface secrets
     HEART_INSTALL=os.environ['HEART_INSTALL']
-    HEART_REGEX=r"git\+https\:\/\/[a-zA-Z]{9}\:[a-zA-Z0-9\-\_]{26}\@gitlab\.jatic\.net\/jatic\/ibm\/hardened-extension-adversarial-robustness-toolbox\.git"
+    HEART_INSTALL = HEART_INSTALL + "@0.3.1"
+    HEART_REGEX=r"git\+https\:\/\/[a-zA-Z]{9}\:[a-zA-Z0-9\-\_]{26}\@gitlab\.jatic\.net\/jatic\/ibm\/hardened-extension-adversarial-robustness-toolbox\.git@0.3.1"
 
     # Execute pip install
     if re.match(HEART_REGEX, HEART_INSTALL):