chore: update jenkins building container as first step

.ci/jenkins/tools/tools.groovy

@@ -0,0 +1,26 @@
+/*
+ * @license
+ * Copyright 2024 Dynatrace LLC
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+void installGo(String version) {
+    sh(label: "", script: "set -eux && export DEBIAN_FRONTEND=noninteractive")
+    sh(label: "install necessary tools", script: "apt-get update &&  apt-get install -y --no-install-recommends g++ gcc libc6-dev make pkg-config")
+    sh(label: "remove old go version", script: "rm -rf /usr/local/go")
+    sh(label: "download go binaries", script: "curl --silent --show-error --location \"https://go.dev/dl/go${version}.linux-amd64.tar.gz\" | tar -xz -C /usr/local")
+    sh(label: "set PATH", script: 'GOROOT=$(/usr/local/go/bin/go env GOROOT) && GOPATH=$(/usr/local/go/bin/go env GOPATH) && PATH="$PATH:$GOROOT/bin:$GOPATH/bin"')
+    sh(label: "install gotestsum", script: "go install gotest.tools/gotestsum@latest")
+}
+
+return this

.ci/releasePipeline.groovy

@@ -16,6 +16,11 @@ pipeline {
             steps {
                 script {
                     Context ctx
+                    stage("setup container") {
+                        tools = load(".ci/jenkins/tools/tools.groovy")
+                        tools.installGo("1.23.2")
+                    }
+
                     stage("Pre-build steps") {
                         ctx = new Context(newGithubRelease())
                         createEmptyDirectory(dir: Release.BINARIES)