chore: update Go version and base images

- Update the `go-version` to `^1` in the `.github/workflows/lint.yml` file
- Change the container in the `.github/workflows/lint.yml` file from `golang:1.20-alpine` to `golang:1.21-alpine`
- Update the base image in the `docker/Dockerfile` file from `alpine:3.19` to `alpine:3.17`

Signed-off-by: appleboy <appleboy.tw@gmail.com>

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Setup go
         uses: actions/setup-go@v5
         with:
-          go-version: '^1'
+          go-version: "^1"
       - name: Checkout repository
         uses: actions/checkout@v3
       - name: Setup golangci-lint
@@ -27,7 +27,7 @@ jobs:
 
   testing:
     runs-on: ubuntu-latest
-    container: golang:1.20-alpine
+    container: golang:1.21-alpine
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.19
+FROM alpine:3.17
 
 ARG TARGETOS
 ARG TARGETARCH