ci: PLT-716: replace POETRY_VERSION var to env

Author: nikitabelonogov

.github/workflows/build_pypi.yml

@@ -41,6 +41,7 @@ on:
 
 env:
   PYTHON_VERSION_FILE: "pyproject.toml"
+  POETRY_VERSION: 2.1.2
 
 jobs:
   ReleaseNotification:
@@ -63,9 +64,7 @@ jobs:
           sed -i "s/^version[ ]*=.*/version = \"${version}\"/g" ${{ env.PYTHON_VERSION_FILE }}
 
       - name: "Install poetry"
-        env:
-          POETRY_VERSION: ${{ vars.POETRY_VERSION }}
-        run: pipx install "poetry==${POETRY_VERSION}"
+        run: pipx install "poetry==${{ env.POETRY_VERSION }}"
 
       - name: "Set up Python"
         id: setup_python

.github/workflows/tests.yml

@@ -23,6 +23,9 @@ on:
       - 'release/**'
   workflow_dispatch:
 
+env:
+  POETRY_VERSION: 2.1.2
+
 jobs:
   run_pytest:
     name: "pytest ${{ matrix.os }} | ${{ matrix.python-version }}"
@@ -39,9 +42,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: "Install poetry"
-        env:
-          POETRY_VERSION: ${{ vars.POETRY_VERSION }}
-        run: pipx install "poetry==${POETRY_VERSION}"
+        run: pipx install "poetry==${{ env.POETRY_VERSION }}"
 
       - name: "Set up Python"
         id: setup_python