BUMP: update golang to 1.20

Signed-off-by: Dr. Stefan Schimanski <[email protected]>

.github/workflows/docs-gen-and-push.yaml

@@ -33,7 +33,7 @@ jobs:
 
       - uses: actions/setup-go@v4
         with:
-          go-version: v1.19
+          go-version: v1.20
           cache: true
 
       - uses: actions/setup-python@v4

.github/workflows/goreleaser.yml

@@ -22,7 +22,7 @@ jobs:
         fetch-depth: 0
     - uses: actions/setup-go@v4
       with:
-        go-version: v1.19
+        go-version: v1.20
     - name: Delete non-semver tags
       run: 'git tag -d $(git tag -l | grep -v "^v")'
     - name: Set LDFLAGS

Dockerfile

@@ -15,7 +15,7 @@
 # limitations under the License.
 
 # Build the binary
-FROM --platform=${BUILDPLATFORM} docker.io/golang:1.19 AS builder
+FROM --platform=${BUILDPLATFORM} docker.io/golang:1.20 AS builder
 WORKDIR /workspace
 
 # Install dependencies.

docs/content/CONTRIBUTING.md

@@ -17,7 +17,7 @@ contribution. See the [DCO](https://github.com/kcp-dev/kcp/tree/main/DCO) file f
 ### Prerequisites
 
 1. Clone this repository.
-2. [Install Go](https://golang.org/doc/install) (currently 1.19).
+2. [Install Go](https://golang.org/doc/install) (currently 1.20).
 3. Install [kubectl](https://kubernetes.io/docs/tasks/tools/#kubectl).
 
 Please note that the go language version numbers in these files must exactly agree: go/go.mod file, kcp/.ci-operator.yaml, kcp/Dockerfile, and in all the kcp/.github/workflows yaml files that specify go-version. In kcp/.ci-operator.yaml the go version is indicated by the "tag" attribute. In kcp/Dockerfile it is indicated by the "golang" attribute. In go.mod it is indicated by the "go" directive." In the .github/workflows yaml files it is indicated by "go-version"

go.mod

@@ -1,6 +1,6 @@
 module github.com/kcp-dev/kcp
 
-go 1.19
+go 1.20
 
 require (
 	github.com/MakeNowJust/heredoc v1.0.0

sdk/go.mod

@@ -1,6 +1,6 @@
 module github.com/kcp-dev/kcp/sdk
 
-go 1.19
+go 1.20
 
 require (
 	github.com/bombsimon/logrusr/v3 v3.1.0