chore: Add experimentalUseDiagnosticsChannelInjection in node size-limit (#21992)

Author: JPeer264

.size-limit.js

@@ -394,6 +394,15 @@ module.exports = [
     limit: '130 KB',
     disablePlugins: ['@size-limit/esbuild'],
   },
+  {
+    name: '@sentry/node (incl. diagnostics channel injection)',
+    path: 'packages/node/build/esm/index.js',
+    import: createImport('init', 'experimentalUseDiagnosticsChannelInjection'),
+    ignore: [...builtinModules, ...nodePrefixedBuiltinModules],
+    gzip: true,
+    limit: '132 KB',
+    disablePlugins: ['@size-limit/esbuild'],
+  },
   {
     name: '@sentry/node/import (ESM hook with diagnostics-channel injection)',
     path: ['node_modules/@apm-js-collab/tracing-hooks/hook.mjs', 'packages/node/build/import-hook.mjs'],