Switch process polyfill to require.resolve

Signed-off-by: Tim Hansen <timbonicush@spotify.com>

.changeset/funny-bears-sort.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Switched the `process` polyfill to use `require.resolve` for greater compatability.

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

@@ -180,7 +180,7 @@ export async function createConfig(
   // to remove this eventually!
   plugins.push(
     new ProvidePlugin({
-      process: 'process/browser',
+      process: require.resolve('process/browser'),
       Buffer: ['buffer', 'Buffer'],
     }),
   );