`v8.0.0` release is incorrectly tagged

[pavelzw]

The v8 release https://github.com/actions/github-script/releases/tag/v8 should point to v8.0.0 instead of v8.
The v8 tag is a variable tag that will be moved eventually once v8.0.1 comes out. Creating a release with that tag is incorrect and will lead to weird behavior.

In v7.0.0 you have done it correctly: https://github.com/actions/github-script/releases/tag/v7.0.0