feat(nuxt): Improve logs about adding Node option 'import' (#13726)

Adding the node option can be a confusing step. This adds a log output
which already includes the correct file path to add. It looks like this:
```
[Sentry] Using your sentry.server.config.ts file for the server-side Sentry configuration. 
Make sure to add the Node option import to the Node command where you deploy and/or run your application. 
This preloads the Sentry configuration at server startup. You can do this via a 
command-line flag (node --import ./.output/server/sentry.server.config.mjs [...]) or via 
an environment variable (NODE_OPTIONS='--import ./.output/server/sentry.server.config.mjs' node [...]).
```

packages/nuxt/src/module.ts

@@ -1,3 +1,4 @@
+import * as path from 'path';
 import { addPlugin, addPluginTemplate, addServerPlugin, createResolver, defineNuxtModule } from '@nuxt/kit';
 import { consoleSandbox } from '@sentry/utils';
 import type { SentryNuxtModuleOptions } from './common/types';
@@ -72,10 +73,16 @@ export default defineNuxtModule<ModuleOptions>({
           addSentryTopImport(moduleOptions, nitro);
         } else {
           if (moduleOptions.debug) {
+            const serverDirResolver = createResolver(nitro.options.output.serverDir);
+            const serverConfigPath = serverDirResolver.resolve('sentry.server.config.mjs');
+
+            // For the default nitro node-preset build output this relative path would be: ./.output/server/sentry.server.config.mjs
+            const serverConfigRelativePath = `.${path.sep}${path.relative(nitro.options.rootDir, serverConfigPath)}`;
+
             consoleSandbox(() => {
               // eslint-disable-next-line no-console
               console.log(
-                `[Sentry] Using your \`${serverConfigFile}\` file for the server-side Sentry configuration. In case you have a \`public/instrument.server\` file, the \`public/instrument.server\` file will be ignored. Make sure the file path in your node \`--import\` option matches the Sentry server config file in your \`.output\` folder and has a \`.mjs\` extension.`,
+                `[Sentry] Using your \`${serverConfigFile}\` file for the server-side Sentry configuration. Make sure to add the Node option \`import\` to the Node command where you deploy and/or run your application. This preloads the Sentry configuration at server startup. You can do this via a command-line flag (\`node --import ${serverConfigRelativePath} [...]\`) or via an environment variable (\`NODE_OPTIONS='--import ${serverConfigRelativePath}' node [...]\`).`,
               );
             });
           }