Fix codegen script for 8.8 (#1983)

Author: JoshMock

.ci/make.mjs

@@ -89,15 +89,15 @@ async function bump (args) {
   const pipeline = await readFile(join(import.meta.url, '..', '.buildkite', 'pipeline.yml'))
   await writeFile(
     join(import.meta.url, '..', '.buildkite', 'pipeline.yml'),
-    pipeline.replace(/STACK_VERSION: [0-9]+[0-9\.]*[0-9](?:\-SNAPSHOT)?/, `STACK_VERSION: - ${cleanVersion}-SNAPSHOT`), // eslint-disable-line
+    pipeline.replace(/STACK_VERSION: [0-9]+[0-9\.]*[0-9](?:\-SNAPSHOT)?/, `STACK_VERSION: ${cleanVersion}-SNAPSHOT`), // eslint-disable-line
     'utf8'
   )
 }
 
 // this command can only be executed locally for now
 async function codegen (args) {
   assert(args.length === 1, 'Codegen task expects one parameter')
-  const [version] = args
+  const version = args[0].toString()
 
   const clientGeneratorPath = join(import.meta.url, '..', '..', 'elastic-client-generator-js')
   const isGeneratorCloned = await $`[[ -d ${clientGeneratorPath} ]]`.exitCode === 0