[MINOR] add auto cherry pick to branch-0.8 (apache#6089)

### What changes were proposed in this pull request?

add auto cherry pick to branch-0.8

### Why are the changes needed?

prepare release 0.8


### Does this PR introduce _any_ user-facing change?
no

### How was this patch tested?
no

.github/workflows/auto-cherry-pick.yml

@@ -7,60 +7,42 @@ on:
     types: ["closed"]
 
 jobs:
-  cherry_pick_branch_0_5:
-    runs-on: ubuntu-latest
-    name: Cherry pick into branch_0.5
-    if: ${{ contains(github.event.pull_request.labels.*.name, 'branch-0.5') && github.event.pull_request.merged == true }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-      - name: Cherry pick into branch-0.5
-        uses: carloscastrojumo/[email protected]
-        with:
-          branch: branch-0.5
-          labels: |
-            cherry-pick
-          reviewers: |
-            jerryshao
-
-  cherry_pick_branch_0_6:
+  cherry_pick_branch_0_7:
     runs-on: ubuntu-latest
-    name: Cherry pick into branch_0.6
-    if: ${{ contains(github.event.pull_request.labels.*.name, 'branch-0.6') && github.event.pull_request.merged == true }}
+    name: Cherry pick into branch_0.7
+    if: ${{ contains(github.event.pull_request.labels.*.name, 'branch-0.7') && github.event.pull_request.merged == true }}
     steps:
       - name: Checkout
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - name: Cherry pick into branch-0.6
+      - name: Cherry pick into branch-0.7
         uses: carloscastrojumo/[email protected]
         with:
-          branch: branch-0.6
+          branch: branch-0.7
           labels: |
             cherry-pick
           reviewers: |
             jerryshao
 
-
-  cherry_pick_branch_0_7:
+  cherry_pick_branch_0_8:
     runs-on: ubuntu-latest
-    name: Cherry pick into branch_0.7
-    if: ${{ contains(github.event.pull_request.labels.*.name, 'branch-0.7') && github.event.pull_request.merged == true }}
+    name: Cherry pick into branch_0.8
+    if: ${{ contains(github.event.pull_request.labels.*.name, 'branch-0.8') && github.event.pull_request.merged == true }}
     steps:
       - name: Checkout
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - name: Cherry pick into branch-0.7
+      - name: Cherry pick into branch-0.8
         uses: carloscastrojumo/[email protected]
         with:
-          branch: branch-0.7
+          branch: branch-0.8
           labels: |
             cherry-pick
           reviewers: |
             jerryshao
+            FANNG1
 
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}