[heft-webpack5-plugin] allow infrastructure logs to be printed (#5402)

* fix: allow infrastructure logs to be printed

Signed-off-by: Aramis Sennyey <aramissennyeydd@users.noreply.github.com>

* Rush change

* fix lint

Signed-off-by: Aramis Sennyey <aramissennyeydd@users.noreply.github.com>

* Update common/changes/@rushstack/heft-webpack5-plugin/sennyeya-fix-webpack-logging_2025-10-06-19-24.json

---------

Signed-off-by: Aramis Sennyey <aramissennyeydd@users.noreply.github.com>
Co-authored-by: Aramis Sennyey <aramissennyeydd@users.noreply.github.com>
Co-authored-by: Ian Clanton-Thuon <iclanton@users.noreply.github.com>

Author: aramissennyeydd

common/changes/@rushstack/heft-webpack5-plugin/sennyeya-fix-webpack-logging_2025-10-06-19-24.json

@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Allow infrastructure logs to be printed.",
+      "type": "minor",
+      "packageName": "@rushstack/heft-webpack5-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-webpack5-plugin",
+  "email": "aramissennyeydd@users.noreply.github.com"
+}

heft-plugins/heft-webpack5-plugin/src/Webpack5Plugin.ts

@@ -357,7 +357,6 @@ export default class Webpack5Plugin implements IHeftTaskPlugin<IWebpackPluginOpt
                 taskSession.logger.emitError(error);
               }
             }
-            return true;
           }
         );