Update custom workflows to latest PTB action & checkout action

Author: ArBridgeman

.github/workflows/pypi_release.yaml

@@ -14,13 +14,13 @@ jobs:
     steps:
 
       - name: SCM Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Python & Poetry Environment
-        uses: exasol/python-toolbox/.github/actions/python-environment@v1
+        uses: exasol/python-toolbox/.github/actions/python-environment@v6
         with:
           python-version: "3.10"
-          poetry-version: "2.1.2"
+          poetry-version: "2.3.0"
 
       - name: Build Artifacts
         run: poetry build

.github/workflows/pytest.yaml

@@ -13,13 +13,13 @@ jobs:
     steps:
 
       - name: SCM Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Python & Poetry Environment
-        uses: exasol/python-toolbox/.github/actions/python-environment@v1
+        uses: exasol/python-toolbox/.github/actions/python-environment@v6
         with:
           python-version: ${{ matrix.python-version }}
-          poetry-version: '2.1.2'
+          poetry-version: '2.3.0'
 
       - name: Run pytest
         run: poetry run -- python3 -m pytest