fixup: add python and tar bench

Author: not-matthias

.github/workflows/codspeed.yml

@@ -17,7 +17,8 @@ jobs:
           - bench/testdata/take_strings-aarch64
           - ls -alh /etc
           - echo Hello, World!
-          - tar czf /tmp/man.tar.gz /usr/share/man
+          - tar czf /tmp/news.tar.gz NEWS NEWS.old NEWS.older
+          - python3 bench/fib.py
         valgrind:
           - "3.26.0"
           - "3.25.1"

bench/fib.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+"""Simple recursive Fibonacci benchmark."""
+
+
+def fib(n):
+    """Calculate Fibonacci number recursively."""
+    if n <= 1:
+        return n
+    return fib(n - 1) + fib(n - 2)
+
+
+if __name__ == "__main__":
+    result = fib(35)
+    print(f"fib(35) = {result}")