chore: bumpt to v0.17.0-rc4

Author: Pouyanpi

pyproject.toml

@@ -4,7 +4,7 @@ description = "NeMo Guardrails is an open-source toolkit for easily adding progr
 authors = ["NVIDIA <[email protected]>"]
 license = "LICENSE.md"
 readme = "README.md"
-version = "0.17.0-rc3"
+version = "0.17.0-rc4"
 packages = [{ include = "nemoguardrails" }]