cli: bump esbuild to es2022

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/young-camels-return.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Bump `esbuild` target for package builds to `ES2022`.

packages/cli/src/lib/builder/config.ts

@@ -151,7 +151,7 @@ export async function makeRollupConfigs(
           template: svgrTemplate,
         }),
         esbuild({
-          target: 'es2019',
+          target: 'ES2022',
           minify: options.minify,
         }),
       ],