chore: bump osv library version to 0.1.2 for PyPI release (#4030)

This PR bumps the osv library version to 0.1.2 for PyPI release to
include the fix in osv-schema.

Also updates the osv requirement in `gcp/functions/pypi/pyproject.toml`
(version 0.1.0 is yanked).

Co-authored-by: Rex P <[email protected]>

Author: cuixq

gcp/api/poetry.lock

@@ -1,6 +1,6 @@
 [project]
 name = "osv"
-version = "0.1.1"
+version = "0.1.2"
 description = "Open Source Vulnerabilities library"
 authors = [
     {name = "OSV Authors", email = "[email protected]"}