fix permissions of the release job

Signed-off-by: Achille Roussel <[email protected]>

.github/workflows/pypi.yml

@@ -61,6 +61,7 @@ jobs:
       name: pypi
       url: https://pypi.org/p/dispatch-functions
     permissions:
+      contents: read
       id-token: write
     steps:
     - uses: actions/checkout@v4