Update workflows.

Author: mrstegeman

.github/workflows/build.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          python -m pip install -r requirements.txt
       - name: Lint with flake8
         run: |
           pip install flake8

.github/workflows/release.yml

@@ -25,6 +25,10 @@ jobs:
           release_name: Release ${{ env.RELEASE_VERSION }}
           draft: false
           prerelease: false
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install twine wheel
       - name: Publish to PyPI
         run: |
           ./package.sh