Bump golang version from 1.20 to 1.21

.github/workflows/check-generated-artifacts.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
 
       - name: Run the automatic generation
         working-directory: ./

.github/workflows/lint.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           cache: false
 
       - name: golangci-lint
@@ -42,7 +42,7 @@ jobs:
     - name: Setup Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20'
+        go-version: '1.21'
 
     - name: Execute go mod tidy and check the outcome
       working-directory: ./

build/common/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20 as builder
+FROM golang:1.21 as builder
 WORKDIR /tmp/builder
 
 COPY go.mod ./go.mod

build/liqo-test/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20 as builder
+FROM golang:1.21 as builder
 ENV PATH /go/bin:/usr/local/go/bin:$PATH
 ENV GOPATH /go
 ENV K8S_VERSION=1.25.0

build/liqoctl/build.sh

@@ -11,7 +11,7 @@ error() {
 }
 trap 'error "${BASH_SOURCE}" "${LINENO}"' ERR
 
-GO_VERSION="1.20"
+GO_VERSION="1.21"
 
 docker run -v "$PWD:/liqo" -w /liqo -e="CGO_ENABLED=${CGO_ENABLED}" --rm "golang:${GO_VERSION}" \
    go mod tidy && go build -o "./liqoctl-${GOOS}-${GOARCH}" \

build/liqonet/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20 as goBuilder-wg
+FROM golang:1.21 as goBuilder-wg
 
 ARG VERSION=0.0.20230223
 
@@ -8,7 +8,7 @@ RUN git clone -b ${VERSION} https://git.zx2c4.com/wireguard-go
 WORKDIR /go/wireguard-go
 RUN CGO_ENABLED=0 make
 
-FROM golang:1.20 as goBuilder
+FROM golang:1.21 as goBuilder
 WORKDIR /tmp/builder
 
 COPY go.mod ./go.mod

go.mod

@@ -1,6 +1,6 @@
 module github.com/liqotech/liqo
 
-go 1.20
+go 1.21
 
 require (
 	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible