upgrade to cache@v3 github action

Author: betaBison

.github/workflows/build.yml

@@ -32,21 +32,18 @@ jobs:
     - name: Install Poetry
       uses: snok/install-poetry@v1
       with:
-        version: 1.2.0
         virtualenvs-create: true
         virtualenvs-in-project: true
         installer-parallel: true # default option selected currently
     # Load cached environment, if it exists
     - name: Load cached poetry environment
       id: cached-poetry-dependencies
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: .venv
-        key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
+        key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
     - name: Install dependencies
-      if: steps.cached-poetry-dependencies.outputs.catch-hit != 'true'
-      run: poetry install --no-interaction --no-root
-    - name: Install project
+      if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
       run: poetry install --no-interaction
     # Install pandoc for building docs
     - name: Install pandoc for Ubuntu