docs: Improve usage of concurrency

Author: peaceiris

README.md

@@ -141,12 +141,11 @@ on:
       - main  # Set a branch name to trigger deployment
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
         with:
@@ -478,12 +477,11 @@ on:
     tags:
       - 'v*.*.*'
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -608,12 +606,11 @@ on:
     - cron: "22 22 * * *"
   workflow_dispatch:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
     ...
 ```
@@ -649,12 +646,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -698,12 +694,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -751,12 +746,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -807,12 +801,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -861,12 +854,11 @@ on:
       - 'website/**'
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     defaults:
       run:
         working-directory: website
@@ -920,12 +912,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -981,12 +972,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -1021,12 +1011,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -1066,12 +1055,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
 
@@ -1117,12 +1105,11 @@ on:
   schedule:
     - cron: '24 */24 * * *'  # Once a day
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2
       - name: Deploy to GitHub Pages
@@ -1150,12 +1137,11 @@ on:
       - main
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-
 jobs:
   deploy:
     runs-on: macos-latest
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - uses: actions/checkout@v2