fix: check pr workflow

.github/workflows/check-pr.yaml

@@ -29,10 +29,22 @@ jobs:
     permissions:
       contents: read
 
+    strategy:
+      matrix:
+        python-version: ["3.11"]
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
 
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+
       - name: Install dependencies
         run: |
           make ci-init
@@ -54,6 +66,7 @@ jobs:
     strategy:
       matrix:
         package: ${{ fromJson(needs.generate-matrix.outputs.packages-matrix).include[*].package }}
+        python-version: ["3.11"]
       fail-fast: false
 
     permissions:
@@ -63,6 +76,14 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+
       - name: Install repository dependencies
         run: |
           make ci-init

src/fastapi_app/.python-version

@@ -0,0 +1 @@
+3.11.4

src/fastapi_example/.python-version

@@ -0,0 +1 @@
+3.11.4

src/python-service/.python-version

@@ -0,0 +1 @@
+3.11.4