fix: revert Poetry version

Author: adubovik

Makefile

@@ -4,7 +4,7 @@ PLATFORM ?= linux/amd64
 VENV_DIR ?= .venv
 POETRY_VENV_DIR ?= .venv-poetry
 POETRY ?= $(POETRY_VENV_DIR)/bin/poetry
-POETRY_VERSION ?= 2.2.1
+POETRY_VERSION ?= 2.1.1 # Matching the version installed in Dockerfile
 ARGS ?=
 
 .PHONY: all init_env install build serve clean lint format test integration_tests docker_build docker_run