ci: update Poetry to latest

Author: daniel-jones-dev

.gitlab-ci.yml

@@ -57,7 +57,7 @@ before_script:
       pip install poetry==1.1.15
     else
       echo "Installing newer poetry version"
-      pip install poetry==1.4.2
+      pip install poetry==2.1.2
     fi
   - poetry --version
   - poetry install -vv -E keyring

pyproject.toml

@@ -36,7 +36,7 @@ python = ">=3.6.2,<4"
 requests = "^2"
 keyring = {version = "^23.4.1", python = ">=3.6,<4", optional = true}
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 black = {version = "^25.1.0", python = ">=3.9,<4"}
 pydantic = "^1.8.1"
 flake8 = {version = "^7.3.0", python = ">=3.9,<4"}