Update [Github] Update GHA Dependencies to v7 (#919) This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/checkout](https://redirect.github.com/actions/checkout) | action | major | `v6.0.2` → `v7.0.1` | | [actions/setup-python](https://redirect.github.com/actions/setup-python) | action | major | `v6.2.0` → `v7.0.0` |