chore: bump version to 0.2.1

- Update project version from 0.2.0 to 0.2.1 in pyproject.toml.
- Indicates a minor update, likely for small improvements or fixes.

Signed-off-by: Max P. <Mail@MPassarello.de>

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "pyvtt"
-version = "0.2.0"
+version = "0.2.1"
 description = "Python Voice to Text + LLMA"
 authors = [{ name = "Max P.", email = "Mail@MPassarello.de" }]
 license = { text = "MIT" }