Disable GH Actions releases (#17907)
Fixup to #17728
Due to #17878
Summary of the issue:
GitHub actions is now building NVDA, however we are not ready to release
and deploy a signed copy of NVDA yet (see #17878).
As such, we shouldn't build tagged releases with GitHub actions
Description of user facing changes
None
Description of development approach
Disable tagged releases from GitHub actions until #17878 is closed
