add permission for github release action

also adding manual trigger to release workflow. might be temporary..

.github/workflows/release.yaml

@@ -4,6 +4,7 @@ on:
   push:
     tags:
       - '*.*.*'
+  workflow_dispatch:
 
 jobs:
   build-and-publish:
@@ -12,6 +13,8 @@ jobs:
     env:
         VIRTUAL_ENV: .venv
     permissions:
+      # for creating github release
+      contents: write
       # for trusted publishing
       id-token: write
     steps: