sync: update CI config files (#37)

* update .github/workflows/automerge.yml

* update .github/workflows/go-test.yml

* update .github/workflows/go-check.yml

Co-authored-by: web3-bot <[email protected]>

Author: web3-bot

.github/workflows/automerge.yml

@@ -14,7 +14,7 @@ jobs:
     outputs:
       status: ${{ steps.should-automerge.outputs.status }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v2
       with:
         fetch-depth: 0
     - name: Check if we should automerge

.github/workflows/go-check.yml

@@ -11,7 +11,7 @@ jobs:
     env:
       RUNGOGENERATE: false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: recursive
       - uses: actions/setup-go@v2

.github/workflows/go-test.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}-latest
     name: ${{ matrix.os}} (go ${{ matrix.go }})
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: recursive
       - uses: actions/setup-go@v2