Update readme, release workflow

.github/workflows/release.yml

@@ -60,7 +60,7 @@ jobs:
   pip:
     name: Publish to PyPI
     runs-on: ubuntu-latest
-    needs: release
+    needs: test
     steps:
       - uses: actions/checkout@v3
         name: Checkout

README.md

@@ -208,6 +208,11 @@ To run them manually:
 python -m unittest discover -v -s ./tests -p "test_*.py"
 ```
 
+### New release
+
+1. Update version number in `pyproject.toml`
+2. Create a publish a git tag with that number
+
 ## License
 
 GPL-3.0