chg: Change poetry install in GHA

.github/workflows/instance_test.yml

@@ -17,6 +17,9 @@ jobs:
      steps:
       - uses: actions/checkout@v3
 
+      - name: Install poetry
+        run: pipx install poetry
+
       - name: Set up Python ${{matrix.python-version}}
         uses: actions/setup-python@v4
         with:
@@ -38,7 +41,6 @@ jobs:
           sudo apt install libfuzzy-dev
           # playwright required deps.
           sudo apt install libnss3 libnspr4 libatk1.0-0 libatk-bridge2.0-0 libcups2 libxkbcommon0 libxdamage1 libgbm1 libpango-1.0-0 libcairo2 libatspi2.0-0
-          python -m pip install --upgrade pip poetry
 
       - name: Install & run lookyloo
         run: |

.github/workflows/mypy.yml

@@ -16,6 +16,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+
+    - name: Install poetry
+      run: pipx install poetry
+
     - name: Set up Python ${{matrix.python-version}}
       uses: actions/setup-python@v4
       with:
@@ -25,7 +29,6 @@ jobs:
     - name: Install dependencies
       run: |
         sudo apt install libfuzzy-dev
-        python -m pip install --upgrade pip poetry
         poetry install
         echo LOOKYLOO_HOME="`pwd`" >> .env
         poetry run tools/3rdparty.py