Only try to release one version.

Author: josteinl

.github/workflows/release.yaml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.11']
         poetry-version: ['1.4.2']
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}