Merge pull request #630 from rabbitmq/go120

Use golang 1.20

Author: ChunyiLyu

.github/workflows/build-test-publish.yml

@@ -12,7 +12,7 @@ on:
     tags: [ "v*" ]
 
 env:
-  GO_VERSION: ~1.19 # Require Go 1.19 and above, but lower than Go 2.0.0
+  GO_VERSION: ~1.20 # Require Go 1.20 and above, but lower than Go 2.0.0
 
 jobs:
   unit_integration_tests:

.github/workflows/pr.yml

@@ -5,7 +5,7 @@ on:
     branches: [ main ]
 
 env:
-  GO_VERSION: '^1.19' # Require Go 1.19 and above, but lower than Go 2.0.0
+  GO_VERSION: '^1.20' # Require Go 1.20 and above, but lower than Go 2.0.0
 
 jobs:
 

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.19 as builder
+FROM --platform=$BUILDPLATFORM golang:1.20 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests

go.mod

@@ -1,6 +1,6 @@
 module github.com/rabbitmq/messaging-topology-operator
 
-go 1.19
+go 1.20
 
 require (
 	github.com/cloudflare/cfssl v1.6.4