chore(workflow): update github actions in release workflow

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup go
-        uses: actions/setup-go@v2-beta
+        uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}
       - run: go test -race -v -coverprofile=profile.cov ./pkg/...
@@ -25,9 +25,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
     - name: Source checkout
-      uses: actions/checkout@v1
-      with:
-        fetch-depth: 1
+      uses: actions/checkout@v2
     - name: Semantic Release
       uses: cycjimmy/semantic-release-action@v2
       with: