Bump actions version

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
       matrix:
         os: [ "ubuntu-latest", "macos-latest", "windows-latest" ]
         python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12" ]
-        poetry-version: [ "1.0", "1.7.0", "1.8.0", "1.8.2" ]
+        poetry-version: [ "1.0", "1.8.0", "1.8.2" ]
     defaults:
       run:
         shell: bash
@@ -18,12 +18,13 @@ jobs:
       #       check-out repo and set-up python
       #----------------------------------------------
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set up python ${{ matrix.python-version }}
         id: setup-python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+
       #----------------------------------------------
       #  -----  install & configure poetry  -----
       #----------------------------------------------
@@ -37,7 +38,7 @@ jobs:
       #----------------------------------------------
       - name: Load cached venv
         id: cached-poetry-dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}