chore(release): set pyproject version to 0.16.0 [skip ci]

Author: applied-ai-releases[bot]

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "redisvl"
 # NOTE: This version value is automatically incremented by the release workflow - do not manually adjust it.
-version = "0.15.0"
+version = "0.16.0"
 description = "Python client library and CLI for using Redis as a vector database"
 authors = [{ name = "Redis Inc.", email = "applied.ai@redis.com" }]
 requires-python = ">=3.9.2,<3.15"