v15.4.6

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: _error page's req.url can be overwritten to dynamic param on minimal mode (#82347)
• fix: add ?dpl to fonts in /_next/static/media (#82384)

Credits

Huge thanks to @devjiwonchoi, @ijjk, and @styfle for helping!