chore: GH workflow permissions (#814)

Signed-off-by: Jan Kowalleck <[email protected]>

Author: jkowalleck

.github/workflows/python.yml

@@ -17,6 +17,8 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+permissions: {}
+
 env:
   REPORTS_DIR: CI_reports
   PYTHON_VERSION_DEFAULT: "3.11"

.github/workflows/release.yml

@@ -35,6 +35,8 @@ concurrency:
   group: deploy
   cancel-in-progress: false  # prevent hickups with semantic-release
 
+permissions: {}
+
 env:
   PYTHON_VERSION_DEFAULT: "3.11"
   POETRY_VERSION: "1.8.1"