Update pycodestyle

Newer Ubuntu runners have pycodestyle in the version that supports
Python 3.8+ operators

Author: kamil-certat

.github/workflows/pycodestyle.yml

@@ -18,7 +18,7 @@ on:
 jobs:
   pycodestyle:
     name: Run pycodestyle
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - name: Checkout repository