fix python version

Author: tobiasdiez

.github/workflows/pyright.yml

@@ -42,7 +42,7 @@ jobs:
           channels: conda-forge
           channel-priority: true
           activate-environment: sage-dev
-          environment-file: environment-${{ matrix.python }}-${{ startsWith(matrix.os, 'macos') && (startsWith(runner.arch, 'ARM') && 'macos' || 'macos-x86_64') || 'linux' }}.yml
+          environment-file: environment-3.11-linux.yml
 
         # No need to build sagelib; pyright only needs the libraries from which sagelib imports