ci: replace issues-helper specific version with v2

Author: jiazengp

.github/workflows/check.yml

@@ -1,4 +1,4 @@
-name: check
+name: Check
 
 on:
   push:

.github/workflows/coverage.yml

@@ -1,4 +1,4 @@
-name: coverage
+name: Coverage
 
 on:
   push:

.github/workflows/issue-commented.yml

@@ -1,4 +1,4 @@
-name: issue-commented
+name: Issue-commented
 
 on:
   issue_comment:
@@ -10,7 +10,7 @@ jobs:
     if: contains(github.event.issue.labels.*.name, 'stale')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions-cool/issues-helper@v2.3.1
+      - uses: actions-cool/issues-helper@v2
         with:
           actions: 'remove-labels'
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/issue-daily.yml

@@ -1,4 +1,4 @@
-name: issue-daily
+name: Issue-daily
 on:
   schedule:
     - cron: '0 0 * * *'
@@ -7,7 +7,7 @@ jobs:
     name: label stale issues
     runs-on: ubuntu-latest
     steps:
-      - uses: actions-cool/issues-helper@v2.3.1
+      - uses: actions-cool/issues-helper@v2
         with:
           actions: 'check-inactive'
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/issue-labeled.yml

@@ -1,4 +1,4 @@
-name: issue-labeled
+name: Issue-labeled
 
 on:
   issues:
@@ -10,7 +10,7 @@ jobs:
     if: github.event.label.name == 'invalid'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions-cool/issues-helper@v2.3.1
+      - uses: actions-cool/issues-helper@v2
         with:
           actions: 'close-issue, create-comment'
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -22,7 +22,7 @@ jobs:
     if: github.event.label.name == 'need reproduction'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions-cool/issues-helper@v2.3.1
+      - uses: actions-cool/issues-helper@v2
         with:
           actions: 'create-comment'
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/pages.yml

@@ -1,4 +1,4 @@
-name: page
+name: Pages
 
 on:
   # 每当 push 到 master 分支时触发部署