Add workflow to auto-update SDK versions

[rengarajan01]

Description

Adds .github/workflows/update-sdk-versions.yml: a scheduled GitHub Actions workflow that keeps SDK version badges and release dates in main/docs/libraries.mdx up to date automatically.

The workflow runs daily at 6:17 UTC (and supports manual dispatch). For each of the 34 SDK entries in the libraries page it fetches the latest release from GitHub and updates two fields in the corresponding SectionCard component:

• badge: the version tag (e.g. v2.3.0)
• date: the formatted release date (e.g. Jan 23, 2024)

Two fetch strategies are used depending on the repo:

• Standard: releases/latest, with a tag fallback for repos that have no formal releases
• Prefixed: filters releases by tag prefix for monorepos where multiple packages share a repo (e.g. auth0/auth0-fastify, auth0/universal-login, auth0/auth0-oidc-client-net)

If any values changed, the workflow creates a branch chore/sdk-version-update-YYYYMMDD and opens a PR targeting main labeled sdk-version-autoupdate.

References

n/a

Testing

1. After merging, go to Actions → Update SDK library versions → Run workflow to trigger a manual run
2. Verify a PR is opened with updated badge and date values in main/docs/libraries.mdx
3. Confirm no duplicate PR is created if the workflow is triggered again on the same day

Checklist

• I've read and followed CONTRIBUTING.md.
• I've tested the site build for this change locally.
• I've made appropriate docs updates for any code or config changes.
• I've coordinated with the Product Docs and/or Docs Management team about non-trivial changes.