cli: use lowercase es2022

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

.changeset/shaggy-dodos-applaud.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Switched the target from `'ES2022'` to `'es2022'` for better compatibility with older versions of `swc`.

packages/cli/src/lib/bundler/transforms.ts

@@ -57,7 +57,7 @@ export const transforms = (options: TransformOptions): Transforms => {
           loader: require.resolve('swc-loader'),
           options: {
             jsc: {
-              target: 'ES2022',
+              target: 'es2022',
               externalHelpers: !isBackend,
               parser: {
                 syntax: 'typescript',
@@ -85,7 +85,7 @@ export const transforms = (options: TransformOptions): Transforms => {
           loader: require.resolve('swc-loader'),
           options: {
             jsc: {
-              target: 'ES2022',
+              target: 'es2022',
               externalHelpers: !isBackend,
               parser: {
                 syntax: 'ecmascript',