Fix permissions for Twitter job to allow reading contents (#853)

Author: klaasnicolaas

.github/workflows/release.yaml

@@ -50,7 +50,8 @@ jobs:
     name: 🐦 Tweet the release
     needs: release
     runs-on: ubuntu-latest
-    permissions: none
+    permissions:
+      contents: read
     steps:
       - uses: Eomm/why-don-t-you-tweet@v2.0.0
         with: