Add write content permission to create release workflow (#1219)

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

Author: rubenvp8510

.github/workflows/release.yaml

@@ -10,6 +10,8 @@ permissions: {}
 
 jobs:
   release:
+    permissions:
+      contents: write
     runs-on: ubuntu-22.04
     outputs:
       operator_version: ${{ steps.operator-version.outputs.version }}