cli: raw-loader fix

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

.changeset/pretty-zebras-listen.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Fixed an issue where the `raw-loader` for loading HTML templates was not resolved from the context of the CLI package.

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

@@ -209,7 +209,7 @@ export async function createConfig(
         minify: false,
         publicPath: '<%= publicPath %>',
         filename: 'index.html.tmpl',
-        template: `raw-loader!${paths.targetHtml}`,
+        template: `${require.resolve('raw-loader')}!${paths.targetHtml}`,
       }),
     );
   }