ci: add pr label workflow (#6316)

* ci: add pr label workflow

Signed-off-by: liyang <daviderli614@gmail.com>

* move permissions to jobs

Signed-off-by: liyang <daviderli614@gmail.com>

* add checkout step

Signed-off-by: liyang <daviderli614@gmail.com>

* add job permissions

Signed-off-by: liyang <daviderli614@gmail.com>

* custom sizes

Signed-off-by: liyang <daviderli614@gmail.com>

* Update .github/workflows/pr-labeling.yaml

Co-authored-by: shuiyisong <113876041+shuiyisong@users.noreply.github.com>

---------

Signed-off-by: liyang <daviderli614@gmail.com>
Co-authored-by: shuiyisong <113876041+shuiyisong@users.noreply.github.com>

.github/labeler.yaml

@@ -0,0 +1,15 @@
+ci:
+  - changed-files:
+      - any-glob-to-any-file: .github/**
+
+docker:
+  - changed-files:
+      - any-glob-to-any-file: docker/**
+
+documentation:
+  - changed-files:
+      - any-glob-to-any-file: docs/**
+
+dashboard:
+  - changed-files:
+      - any-glob-to-any-file: grafana/**

.github/workflows/pr-labeling.yaml

@@ -0,0 +1,42 @@
+name: 'PR Labeling'
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - synchronize
+      - reopened
+
+permissions:
+  contents: read
+  pull-requests: write
+  issues: write
+
+jobs:
+  labeler:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - uses: actions/labeler@v5
+        with:
+          configuration-path: ".github/labeler.yaml"
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+
+  size-label:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: pascalgn/size-label-action@v0.5.5
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+        with:
+          sizes: >
+            {
+              "0": "XS",
+              "100": "S",
+              "300": "M",
+              "1000": "L",
+              "1500": "XL",
+              "2000": "XXL"
+            }