devel/libwasmtime: Update 48.0.1 => 49.0.0

While here, sort Makefile (pet portclippy).

Changelogs:

• https://github.com/bytecodealliance/wasmtime/releases/tag/v48.0.2
• https://github.com/bytecodealliance/wasmtime/releases/tag/v49.0.0

PR: 298772
Approved by: osa, vvd (Mentors, implicit)
Signed-off-by: Christos Longros <chris.longros@gmail.com>