feat: apply Studio's indexing requests from the Redpanda topic - #693

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955, alessiodionisi/setup-age-action@82b9aea163ade7fe23441552a514cf666b214077, BD103/cargo-sweep@v2, nhedger/setup-sops@187c90dbb4e28c3225263886266a5b92baa7e5a1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/