[sync] Sync feature/colossal-infer with main

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -8,6 +8,13 @@ body:
   attributes:
     value: >
       #### Not suitable for your needs? [Open a blank issue](https://github.com/hpcaitech/ColossalAI/issues/new).
+- type: checkboxes
+  attributes:
+    label: Is there an existing issue for this bug?
+    description: Please search [here](https://github.com/hpcaitech/ColossalAI/issues) to see if an open or closed issue already exists for the bug you have encountered.
+    options:
+    - label: I have searched the existing issues
+      required: true
 - type: textarea
   attributes:
     label: 🐛 Describe the bug

.github/workflows/build_on_pr.yml

@@ -140,7 +140,7 @@ jobs:
 
       - name: Install Colossal-AI
         run: |
-          BUILD_EXT=1 pip install -v -e .
+          pip install -v -e .
           pip install -r requirements/requirements-test.txt
 
       - name: Store Colossal-AI Cache