Add labeler

Author: victorhuangwq

.github/labeler.yml

@@ -0,0 +1,2 @@
+regression:
+  - '(Regression in newer Runtime|Regression in newer SDK)'

.github/workflows/regexLabeler.yml

@@ -0,0 +1,19 @@
+name: "Issue Labeler"
+on:
+  issues:
+    types: [opened, edited]
+
+permissions:
+  issues: write
+  contents: read
+
+jobs:
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: github/[email protected]
+      with:
+        configuration-path: .github/labeler.yml
+        enable-versioned-regex: 0
+        include-title: 1
+        repo-token: ${{ github.token }}