feat(bundling): support rollup.config.ts (#29983)

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## Current Behavior
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Error when using rollup.config.ts
```
NX   Failed to process project graph.

2 errors occurred while processing files for the @nx/rollup/plugin plugin.
  - packages/codygen/rollup.config.cts: Unknown file extension ".cts" for /workspaces/codygen/packages/codygen/rollup.config.cts
  - sample3/rollup.config.ts: Unknown file extension ".ts" for /workspaces/codygen/sample3/rollup.config.ts 
```


## Expected Behavior
<!-- This is the behavior we should expect with the changes in this PR
-->
Plugin should be able to load rollup.config.ts

## Related Issue(s)
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merged. -->

Fixes #29982

packages/rollup/src/plugins/plugin.ts

@@ -173,11 +173,13 @@ async function buildRollupTarget(
     loadConfigFile = require('rollup/loadConfigFile').loadConfigFile;
   }
 
+  const isTsConfig = configFilePath.endsWith('ts');
+  const tsConfigPlugin = '@rollup/plugin-typescript';
   const namedInputs = getNamedInputs(projectRoot, context);
   const rollupConfig = (
     (await loadConfigFile(
       joinPathFragments(context.workspaceRoot, configFilePath),
-      {},
+      isTsConfig ? { configPlugin: tsConfigPlugin } : {},
       true // Enable watch mode so that rollup properly reloads config files without reusing a cached version
     )) as { options: RollupOptions[] }
   ).options;
@@ -186,9 +188,7 @@ async function buildRollupTarget(
   const targets: Record<string, TargetConfiguration> = {};
   targets[options.buildTargetName] = {
     command: `rollup -c ${basename(configFilePath)}${
-      configFilePath.endsWith('ts')
-        ? ' --configPlugin @rollup/plugin-typescript'
-        : ''
+      isTsConfig ? ` --configPlugin ${tsConfigPlugin}` : ''
     }`,
     options: { cwd: projectRoot },
     cache: true,