Update golang Docker tag to v1.20.4

.github/workflows/release.yaml

@@ -16,7 +16,7 @@ jobs:
           - goarch: arm64
             goos: windows 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v3
     - uses: wangyoucao577/go-release-action@v1.36
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.18.4-alpine3.16 as build
+FROM golang:1.20.4-alpine3.16 as build
 WORKDIR /build
 COPY . .
 RUN go get -d -v .