OpenEXR 3.3.13 -> 3.3.14: IDManifest DoS (GHSA-rmgv-rm47-38g3, GHSA-5j5m-22wr-mhc6) - #114

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/