move to PyPI trusted publishing

.github/workflows/publish.yml

@@ -9,6 +9,11 @@ on:
 jobs:
   pypi:
     runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/maestral
+    permissions:
+      id-token: write
     steps:
       - uses: actions/checkout@v4
       - uses: actions/[email protected]
@@ -18,12 +23,14 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install build twine
+          pip install build
 
-      - name: Build and publish
+      - name: Build
         run: |
           python -m build
-          twine upload dist/* --skip-existing
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
 
   docker-hub:
     runs-on: ubuntu-latest