feat: add releases management tools (create, update, delete, assets)

Add comprehensive release management tools including:
- CreateRelease: create releases with draft/prerelease support
- UpdateRelease: modify existing releases
- DeleteRelease: remove releases
- GetReleaseByID: fetch specific release details
- ListReleaseAssets: list assets for a release
- DeleteReleaseAsset: remove release assets
- Tag name validation using regex

Signed-off-by: Srikanth Patchava <spatchava@meta.com>

Author: srpatcha