ENH: add integer-parameter signature in numpy.h - #219

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: github/issue-labeler@c1b0f9f52a63158c4adc09425e858e87b32e9685. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/