[Buildroot] [PATCH] package/timescaledb: bump version to 2.19.3

[Maxim Kochetkov]

16.04.2025 14:46, Scott Fan wrote:
> Release notes: https://github.com/timescale/timescaledb/blob/2.19.3/CHANGELOG.md
> 
> Signed-off-by: Scott Fan <fancp2007 at gmail.com>

Reviewed-by: Maxim Kochetkov <fido_max at inbox.ru>