[3.13] gh-114713: Handle case of an empty string passed to `zoneinfo.ZoneInfo` (GH-114731) (#132563)

gh-114713: Handle case of an empty string passed to `zoneinfo.ZoneInfo` (GH-114731)
(cherry picked from commit 884df116d79b05d9342e05e50484d61c684ecb8b)

Co-authored-by: Bogdan Romanyuk <65823030+wrongnull@users.noreply.github.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>