CI: Update release branch to 1.0.20

(cherry picked from commit e8d42f8)

Author: ting-yuan

.github/workflows/auto-merge.yml

@@ -21,7 +21,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-        ref: 1.0.19-release
+        ref: 1.0.20-release
 
     - name: merge commits from main to release branch
       run: |
@@ -109,7 +109,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-          ref: 1.0.19-release
+          ref: 1.0.20-release
 
       - name: merge commits from main to release branch
         run: |

.github/workflows/main.yml

@@ -4,9 +4,9 @@ name: CI
 
 on:
   push:
-    branches: [ main, 1.0.18-release, 1.0.19-release ]
+    branches: [ main, 1.0.20-release, 1.0.19-release ]
   pull_request:
-    branches: [ main, 1.0.18-release, 1.0.19-release ]
+    branches: [ main, 1.0.20-release, 1.0.19-release ]
 
 jobs:
   build-and-test:

.github/workflows/nightly.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        branch: [ main, 1.0.19-release, 1.0.18-release ]
+        branch: [ main, 1.0.19-release, 1.0.20-release ]
     runs-on: windows-latest
     steps:
       - name: configure Pagefile