feat: upgrade to go 1.20

Author: bahkauv70

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        go-version: ["1.18", "1.19", "1.20", "1.21", "1.22"]
+        go-version: ["1.20", "1.21", "1.22"]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Install SSH Key

scripts/generate-sdk/languages/go.sh

@@ -8,15 +8,15 @@ SDK_REPO_LOCAL_PATH="${ROOT_DIR}/sdk-repo-updated"
 
 OAS_REPO=https://github.com/stackitcloud/stackit-api-specifications
 
-SDK_GO_VERSION="1.18"
+SDK_GO_VERSION="1.20"
 
 SERVICES_FOLDER="${SDK_REPO_LOCAL_PATH}/services"
 EXAMPLES_FOLDER="${SDK_REPO_LOCAL_PATH}/examples"
 SCRIPTS_FOLDER="${SDK_REPO_LOCAL_PATH}/scripts"
 
 GENERATOR_LOG_LEVEL="error" # Must be a Java log level (error, warn, info...)
 
-SDK_GO_VERSION="1.18"
+SDK_GO_VERSION="1.20"
 
 generate_go_sdk() {
     # Required parameters

templates/go/go.mod.mustache

@@ -1,6 +1,6 @@
 module {{gitHost}}/{{gitUserId}}/{{gitRepoId}}/services{{#isGoSubmodule}}/{{packageName}}{{/isGoSubmodule}}
 
-go 1.18
+go 1.20
 
 require (
 	{{gitHost}}/{{gitUserId}}/{{gitRepoId}}/core v0.15.1