Update deployment flow to latest standard

* Install AutoPub release from PyPI — not pre-release from test PyPI
* Install `githubrelease` from repo until new package is released
* Use PyPI Trusted Publisher system to upload package instead of Poetry

.github/workflows/main.yml

@@ -16,9 +16,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
       - name: Set Poetry cache
@@ -43,32 +43,37 @@ jobs:
     environment: Deployment
     needs: [test]
     runs-on: ubuntu-latest
-    if: ${{ github.ref=='refs/heads/main' && github.event_name!='pull_request' }}
+    if: github.ref=='refs/heads/main' && github.event_name!='pull_request'
 
     permissions:
       contents: write
       id-token: write
 
     steps:
-      - uses: actions/checkout@v3
-      - name: Setup Python
-        uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
         with:
-          python-version: "3.8"
+          python-version: "3.10"
+
       - name: Check release
         id: check_release
         run: |
-          python -m pip install poetry
-          python -m pip install --pre --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ autopub[github]
-          echo "##[set-output name=release;]$(autopub check)"
+          python -m pip install autopub
+          python -m pip install https://github.com/autopub/github-release/archive/pyproject.zip
+          autopub check
+
       - name: Publish
-        if: ${{ steps.check_release.outputs.release=='' }}
+        if: ${{ steps.check_release.outputs.autopub_release=='true' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
         run: |
           autopub prepare
           autopub commit
-          poetry build
+          autopub build
           autopub githubrelease
-          poetry publish -u __token__ -p $PYPI_PASSWORD
+
+      - name: Upload package to PyPI
+        if: ${{ steps.check_release.outputs.autopub_release=='true' }}
+        uses: pypa/gh-action-pypi-publish@release/v1